diff --git a/src/lib/Hydra/Controller/Jobset.pm b/src/lib/Hydra/Controller/Jobset.pm
index 2be8b01f..0b8b4124 100644
--- a/src/lib/Hydra/Controller/Jobset.pm
+++ b/src/lib/Hydra/Controller/Jobset.pm
@@ -38,6 +38,37 @@ sub index : Chained('jobset') PathPart('') Args(0) {
             {},
             {select => ["job"], order_by => ["job"], group_by => ["job"], having => { 'sum(isCurrent)' => 0 }}
         )];
+    $c->stash->{systems} = [$c->stash->{jobset}->builds->search({iscurrent => 1}, {select => ["system"], distinct => 1})];
+        
+    # status per system
+    my @systems = ();
+    foreach my $system (@{$c->stash->{systems}}) {
+    	push(@systems, $system->system);
+    }
+    
+    if(scalar(@{$c->stash->{activeJobs}}) <= 20) {
+	    my @select = ();
+	    my @as = ();
+	    push(@select, "job"); push(@as, "job");
+	    foreach my $system (@systems) {
+	    	push(@select, "(SELECT buildstatus FROM BuildResultInfo bri NATURAL JOIN Builds b WHERE b.id = (SELECT MAX(id) FROM Builds t WHERE t.project = me.project AND t.jobset = me.jobset AND t.job = me.job AND t.system = '$system'))");
+	    	push(@as, $system);
+	    	push(@select, "(SELECT b.id FROM BuildResultInfo bri NATURAL JOIN Builds b WHERE b.id = (SELECT MAX(id) FROM Builds t WHERE t.project = me.project AND t.jobset = me.jobset AND t.job = me.job AND t.system = '$system'))");
+	    	push(@as, $system."-build");
+	    }
+	 	$c->stash->{activeJobsStatus} = [$c->model('DB')->resultset('ActiveJobsForJobset')
+	        ->search( {}
+	                , { bind => [$c->stash->{project}->name, $c->stash->{jobset}->name]
+	                  , select => \@select
+	                  , as => \@as
+	                  , order_by => ["job"]
+	                  })];
+	}
+	
+    # last builds for jobset
+    my $tmp = $c->stash->{jobset}->builds;
+    $c->stash->{lastBuilds} = [joinWithResultInfo($c, $tmp)
+        ->search({finished => 1}, {order_by => "timestamp DESC", rows => 5 })] ;
 }
 
 
diff --git a/src/lib/Hydra/Schema/Builds.pm b/src/lib/Hydra/Schema/Builds.pm
index c251c5ab..16e729be 100644
--- a/src/lib/Hydra/Schema/Builds.pm
+++ b/src/lib/Hydra/Schema/Builds.pm
@@ -191,6 +191,14 @@ __PACKAGE__->has_many(
 
 use Hydra::Helper::Nix;
 
+# order buildsteps
+__PACKAGE__->has_many(
+  "buildsteps",
+  "Hydra::Schema::BuildSteps",
+  { "foreign.build" => "self.id" },
+  { order_by => "stepnr" },
+);
+
 __PACKAGE__->has_many(
   "dependents",
   "Hydra::Schema::BuildInputs",
@@ -273,6 +281,8 @@ QUERY
           $joinWithStatusChange
 QUERY
     );
+
+    makeSource("ActiveJobs$name", "(select distinct project, jobset, job from Builds where isCurrent = 1 $constraint)");
     
     makeSource(
         "LatestSucceeded$name",
diff --git a/src/lib/Hydra/Schema/Projects.pm b/src/lib/Hydra/Schema/Projects.pm
index 808bbfed..45d4a133 100644
--- a/src/lib/Hydra/Schema/Projects.pm
+++ b/src/lib/Hydra/Schema/Projects.pm
@@ -97,6 +97,12 @@ __PACKAGE__->has_many(
 # Created by DBIx::Class::Schema::Loader v0.04999_09 @ 2009-11-17 16:05:10
 # DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:+HDJ8tIPcvj5+IwgHqTnaw
 
+__PACKAGE__->has_many(
+  "jobsets",
+  "Hydra::Schema::Jobsets",
+  { "foreign.project" => "self.name" },
+  { order_by => "name" },
+);
 
 # You can replace this text with custom content, and it will be preserved on regeneration
 1;
diff --git a/src/root/build.tt b/src/root/build.tt
index ab448acb..b30faf0f 100644
--- a/src/root/build.tt
+++ b/src/root/build.tt
@@ -2,11 +2,69 @@
 [% PROCESS common.tt %]
 [% PROCESS "product-list.tt" %]
 [% USE HTML %]
+[% USE Date %]
 
 [% project = build.project %]
 [% jobset = build.jobset %]
 [% job = build.job %]
 
+[% BLOCK renderBuildSteps %]
+
+	<h2 id="buildsteps">Build steps</h2>
+	<table class="tablesorter">
+	  <thead>
+	    <tr><th>Nr</th><th>What</th><th>Duration</th><th>Status</th></tr>
+	  </thead>
+	  <tbody>
+	    [% FOREACH step IN build.buildsteps -%]
+			[% IF (onlyFailed != 1) || (step.status != 0) -%]
+		      [% log = c.uri_for('/build' build.id 'nixlog' step.stepnr) %]
+		      <tr class="[% IF step.logfile %]clickable[% END %]"
+		          [% IF step.logfile %] onclick="window.location = '[% log %]'" [% END %]>
+		        <td>[% step.stepnr %]</td>
+		        <td>
+		          [% IF step.type == 0 %]
+		            Build of <tt>[% step.outpath %]</tt>
+		          [% ELSE %]
+		            Substitution of <tt>[% step.outpath %]</tt>
+		          [% END %]
+		        </td>
+		        <td>
+		          [% IF step.busy == 0 %]
+		            [% INCLUDE renderDuration duration = step.stoptime - step.starttime %]
+		          [% ELSE %]
+		            [% IF build.finished %]
+		              [% INCLUDE renderDuration duration = build.resultInfo.stoptime - step.starttime %]
+		            [% ELSE %]
+		              [% INCLUDE renderDuration duration = curTime - step.starttime %]
+		            [% END %]
+		          [% END %]
+		        </td>
+		        <td>
+		          [% IF step.busy == 1 %]
+		            [% IF build.finished %]
+		              <span class="error">Aborted</span>
+		            [% ELSE %]
+		              <strong>Building</strong>
+		            [% END %]
+		          [% ELSIF step.status == 0 %]
+		            Succeeded
+		          [% ELSE %]
+		            <span class="error">Failed: [% HTML.escape(step.errormsg) %]</span>
+		          [% END %]
+		          [% IF step.logfile %]
+		            (<a href="[% log %]">log</a>, <a href="[% "$log/raw" %]">raw</a>, <a href="[% "$log/tail" %]">tail</a>)
+		          [% END %]
+		        </td>
+		      </tr>
+		    [% END %]
+	    [% END %]
+	  </tbody>
+	</table>
+
+[% END %]
+
+
 <h1>
   Job <tt>[% project.name %]:[% jobset.name %]:[% job.name %]</tt> build [% id %]
   [% IF !build.finished %]
@@ -24,360 +82,349 @@
 [% END %]
 
 
-<h2>Information</h2>
 
-<table class="layoutTable">
-  <tr>
-    <th>Build ID:</th>
-    <td>[% build.id %]</td>
-  </tr>
-  <tr>
-    <th>Status:</th>
-    <td>
-      [% IF build.finished %]
-        [% IF build.resultInfo.buildstatus == 0 %]
-          <img src="/static/images/success.gif" alt="Succeeded" />
-          <strong>Success</strong>
-        [% ELSIF build.resultInfo.buildstatus == 1 %]
-          <img src="/static/images/failure.gif" alt="Failed" />
-          <span class="error">Build returned a non-zero exit code</span>
-        [% ELSIF build.resultInfo.buildstatus == 2 %]
-          <img src="/static/images/failure.gif" alt="Failed" />
-          <span class="error">A dependency of the build failed</span>
-        [% ELSIF build.resultInfo.buildstatus == 4 %]
-          <img src="/static/images/failure.gif" alt="Failed" />
-          <span class="error">Cancelled by user</span>
-        [% ELSIF build.resultInfo.buildstatus == 5 %]
-          <img src="/static/images/failure.gif" alt="Failed" />
-          <span class="error">Build inhibited because a dependency previously failed to build</span>
-          [% failedDep = build.resultInfo.failedDep %]
-          (namely, <a href="[% c.uri_for('/build' failedDep.build.id 'nixlog' failedDep.stepnr) %]"><tt>[% failedDep.outpath %]</tt></a>)
-        [% ELSE %]
-          <img src="/static/images/failure.gif" alt="Failed" />
-          <span class="error">Build failed</span>
-          (see <a href="#nix-error">below</a>)
-        [% END %]
-        [% IF c.user_exists && (build.resultInfo.buildstatus == 3 || build.resultInfo.buildstatus == 4) %]
-          <form action="[% c.uri_for('/build' build.id 'restart') %]" method="post" class="inline">
-            <button id="restart" type="submit">Restart</button>
-          </form>
-        [% END %]
-      [% ELSIF build.schedulingInfo.busy %]
-        <strong>Build in progress</strong>
-        since [% INCLUDE renderDateTime timestamp = build.schedulingInfo.starttime %]
-      [% ELSE %]
-        <strong>Scheduled to be built</strong>
-        [% IF c.user_exists %]
-          <form action="[% c.uri_for('/build' build.id 'cancel') %]" method="post" class="inline">
-            <button id="cancel" type="submit">Cancel</button>
-          </form>
-        [% END %]
-      [% END %]
-    </td>
-  </tr>
-  <tr>
-    <th>Project:</th>
-    <td>[% INCLUDE renderProjectName project=project.name %]</td>
-  </tr>
-  <tr>
-    <th>Jobset:</th>
-    <td>[% INCLUDE renderJobsetName project=project.name jobset=jobset.name %]</td>
-  </tr>
-  <tr>
-    <th>Job name:</th>
-    <td>[% INCLUDE renderJobName project=project.name jobset=jobset.name job=job.name %]</td>
-  </tr>
-  [% IF build.nixexprinput %]
-  <tr>
-    <th>Nix expression:</th>
-    <td>file <tt>[% HTML.escape(build.nixexprpath) %]</tt> in input <tt>[% HTML.escape(build.nixexprinput) %]</tt></td>
-  </tr>
-  [% END %]
-  <tr>
-    <th>Nix name:</th>
-    <td><tt>[% build.nixname %]</tt></td>
-  </tr>
-  [% IF build.resultInfo.releasename %]
-    <tr>
-      <th>Release name:</th>
-      <td><tt>[% HTML.escape(build.resultInfo.releasename) %]</tt></td>
-    </tr>
-  [% END %]
-  <tr>
-    <th>Short description:</th>
-    <td>[% IF build.description %][% HTML.escape(build.description) %][% ELSE %]<em>(not given)</em>[% END %]</td>
-  </tr>
-  <tr>
-    <th>Long description:</th>
-    <td>[% IF build.longdescription %][% HTML.escape(build.longdescription) %][% ELSE %]<em>(not given)</em>[% END %]</td>
-  </tr>
-  <tr>
-    <th>License:</th>
-    <td>[% IF build.license %][% HTML.escape(build.license) %][% ELSE %]<em>(not given)</em>[% END %]</td>
-  </tr>
-  <tr>
-    <th>Homepage:</th>
-    <td>[% IF build.homepage %]<a [% HTML.attributes(href => build.homepage) %]>[% HTML.escape(build.homepage) %]</a>[% ELSE %]<em>(not given)</em>[% END %]</td>
-  </tr>
-  <tr>
-    <th>Maintainer(s):</th>
-    <td>[% IF build.maintainers %]<tt>[% HTML.escape(build.maintainers) %]</tt>[% ELSE %]<em>(not given)</em>[% END %]</td>
-  </tr>
-  <tr>
-    <th>System:</th>
-    <td><tt>[% build.system %]</tt></td>
-  </tr>
-  <tr>
-    <th>Derivation store path:</th>
-    <td>
-      <tt>[% build.drvpath %]</tt>
-      [% IF drvAvailable %]
-        (build-time dependencies: <a href="[% c.uri_for('/build' build.id 'buildtime-deps') %]">graph</a> | <a href="[% c.uri_for('/build' build.id 'deps') %]#buildtime">list</a>)
-      [% END %]
-    </td>
-  </tr>
-  <tr>
-    <th>Output store path:</th>
-    <td>
-      <tt>[% build.outpath %]</tt>
-      [% IF available %]
-        (runtime dependencies: <a href="[% c.uri_for('/build' build.id 'runtime-deps') %]">graph</a> | <a href="[% c.uri_for('/build' build.id 'deps') %]#runtime">list</a>)
-      [% END %]
-    </td>
-  </tr>
-  <tr>
-    <th>Time added:</th>
-    <td>[% INCLUDE renderDateTime timestamp = build.timestamp %]</td>
-  </tr>
-  [% IF build.finished && build.resultInfo.buildstatus != 4 %]
-    [% IF build.resultInfo.iscachedbuild && cachedBuild %]
-      <tr>
-        <th>Cached build:</th>
-        <td><a href="[% c.uri_for('/build' cachedBuild.id ) %]">[% cachedBuild.id %]</a></td>
-      </tr>
-    [% END %]
-    
-    <tr>
-      <th>Build started:</th>
-      <td>[% IF build.resultInfo.starttime %][% INCLUDE renderDateTime timestamp = build.resultInfo.starttime %][% ELSE %]<em>(cached build)</em>[% END %]</td>
-    </tr>
-    <tr>
-      <th>Build finished:</th>
-      <td>[% IF build.resultInfo.stoptime %][% INCLUDE renderDateTime timestamp = build.resultInfo.stoptime %][% ELSE %]<em>(cached build)</em>[% END %]</td>
-    </tr>
-    <tr>
-      <th>Duration:</th>
-      <td>
-        [% IF build.resultInfo.iscachedbuild %]
-          <em>(cached build)</em>
-        [% ELSE %]
-          [% INCLUDE renderDuration duration = build.resultInfo.stoptime - build.resultInfo.starttime %]
-        [% END %]
-      </td>
-    </tr>
-    [% IF build.resultInfo.logfile %]
-      <tr>
-        <th>Logfile:</th>
-        <td>
-          <a href="[% c.uri_for('/build' build.id 'log') %]"><strong>Available</strong></a>
-          (<a href="[% c.uri_for('/build' build.id 'log' 'raw') %]">raw</a>,
-           <a href="[% c.uri_for('/build' build.id 'log' 'tail') %]">tail</a>)
-        </td>
-      </tr>
-    [% END %]
-  [% END %]
-  [% IF !build.finished %]
-    <tr>
-      <th>Priority:</th>
-      <td>[% build.schedulingInfo.priority %]</td>
-    </tr>
-  [% END %]
-  [% IF build.finished && build.buildproducts %]
-    <tr>
-      <th>Availability:</th>
-      <td>
-        [% IF !available %]
-          <em>Build output is no longer available</em>
-        [% ELSIF build.resultInfo.keep %]
-          <em>Build output will be kept permanently</em>
-          [% IF c.user_exists %]
-            <form action="[% c.uri_for('/build' build.id 'keep' 0) %]" method="post" class="inline">
-              <button id="unkeep" type="submit">Unkeep</button>
-            </form>
-          [% END %]
-        [% ELSE %]
-          <em>Build output is available, but may be garbage-collected</em>
-          [% IF c.user_exists %]
-            <form action="[% c.uri_for('/build' build.id 'keep' 1) %]" method="post" class="inline">
-              <button id="keep" type="submit">Keep</button>
-            </form>
-          [% END %]
-        [% END %]
-      </td>
-    </tr>
-  [% END %]
-</table>
+<div id="generic-tabs">
+	<ul>
+		<li><a href="#tabs-summary">Summary</a></li>
+		<li><a href="#tabs-information">Information</a></li>
+		<li><a href="#tabs-buildinputs">Build Inputs</a></li>
+		[% IF build.buildsteps %]<li><a href="#tabs-buildsteps">Build Steps</a></li>[% END %]
+        [% IF build.dependents %]<li><a href="#tabs-usedby">Used by</a></li>[% END%]
+	</ul>
+	<div id="tabs-summary">
+	    <table class="statusTable">
+	      <tr>
+	      	<td>
+				[% INCLUDE renderBuildStatusIcon size=128, build=build %]
+	      	</td>
+	      	<td>
+				<table class="layoutTable">
+				  <tr>
+				    <th>Build ID:</th>
+				    <td>[% build.id %]</td>
+				  </tr>
+				  [% IF build.resultInfo.releasename %]
+				    <tr>
+				      <th>Release name:</th>
+				      <td><tt>[% HTML.escape(build.resultInfo.releasename) %]</tt></td>
+				    </tr>
+				  [% ELSE %]
+					  <tr>
+					    <th>Nix name:</th>
+					    <td><tt>[% build.nixname %]</tt></td>
+					  </tr>
+				  [% END %]
+				  <tr>
+				    <th>Status:</th>
+				    <td> 
+				    	[% INCLUDE renderStatus build=build %]
+				    </td>
+				  </tr>
+				  <tr>
+				    <th>System:</th>
+				    <td><tt>[% build.system %]</tt></td>
+				  </tr>
+				  [% IF !build.schedulingInfo %]
+				    <tr>
+				      <th>Duration:</th>
+				      <td>
+				        [% IF build.resultInfo.iscachedbuild %]
+				          (cached from [% INCLUDE renderFullBuildLink build=cachedBuild %])
+				        [% ELSE %]
+				          	[% INCLUDE renderDuration duration = build.resultInfo.stoptime - build.resultInfo.starttime %]
+				        [% END %]
+				      </td>
+				    </tr>
+				  [% END %]
+				  [% IF build.resultInfo.logfile %]
+				      <tr>
+				        <th>Logfile:</th>
+				        <td>
+				          <a href="[% c.uri_for('/build' build.id 'log') %]"><strong>Available</strong></a>
+				          (<a href="[% c.uri_for('/build' build.id 'log' 'raw') %]">raw</a>,
+				           <a href="[% c.uri_for('/build' build.id 'log' 'tail') %]">tail</a>)
+				        </td>
+				      </tr>
+				  [% END %]
+				</table>
+			</td>
+	      </tr>
+	    </table>
+      
+		[% IF c.user_exists && available %]
+		<form action="[% c.uri_for('/build' build.id 'add-to-release') %]" method="post">
+		  <p>Add to release: <input type="text" class="string" name="name" />
+		  <button type="submit"><img src="/static/images/success.gif" />Apply</button></p>
+		</form>
+		[% END %]
+		
+		[% IF c.user_exists %]
+		<p>[<a href="[% c.uri_for('/build' build.id 'clone') %]">Clone this build</a>]</p>
+		[% END %]
 
-[% IF c.user_exists && available %]
-<form action="[% c.uri_for('/build' build.id 'add-to-release') %]" method="post">
-  <p>Add to release: <input type="text" class="string" name="name" />
-  <button type="submit"><img src="/static/images/success.gif" />Apply</button></p>
-</form>
-[% END %]
+		[% IF build.buildproducts %]
 
-[% IF c.user_exists %]
-<p>[<a href="[% c.uri_for('/build' build.id 'clone') %]">Clone this build</a>]</p>
-[% END %]
+			<h2>Build products</h2>
+		
+			[% IF !available %]
+			  <p class="error">Note: this build is no longer available.</p>
+			[% END %]
+			
+			[% INCLUDE renderProductList latestRoot=['/job' build.project.name build.jobset.name build.job.name 'latest'] %]
+			
+		[% END %]
 
 
-[% IF build.buildproducts %]
 
-<h2>Build products</h2>
+		[% IF build.finished %]
+			[% IF build.buildsteps && (build.resultInfo.buildstatus == 2 || build.resultInfo.buildstatus == 5)%]
+				[% INCLUDE renderBuildSteps onlyFailed=1 %]
+			[% END %]
 
-[% IF !available %]
-  <p class="error">Note: this build is no longer available.</p>
-[% END %]
+			[% IF build.resultInfo.errormsg && build.resultInfo.buildstatus != 5 %]
+		
+				<h2 id="nix-error">Nix error output</h2>
+				
+				<pre class="buildlog">
+				[% HTML.escape(build.resultInfo.errormsg) -%]
+				</pre>
+			[% END %]
+		[% ELSIF build.schedulingInfo.busy %]
+			<h2>Log</h2>
+			
+			<pre class="buildlog">
+			[% HTML.escape(logtext) -%]
+			</pre>
+		[% END %]
+	</div>
+	<div id="tabs-information">
 
-[% INCLUDE renderProductList latestRoot=['/job' build.project.name build.jobset.name build.job.name 'latest'] %]
-
-[% END %]
-
-
-<h2>Build inputs</h2>
-
-<table class="tablesorter">
-  <thead>
-    <tr><th>Name</th><th>Type</th><th>Value</th><th>Revision</th><th>Store path</th></tr>
-  </thead>
-  <tbody>
-    [% FOREACH input IN build.inputs -%]
-      <tr>
-        <td><tt>[% input.name %]</tt></td>
-        <td><tt>[% type = input.type; inputTypes.$type %]</tt></td>
-        <td>
-          [% IF input.type == "build" || input.type == "sysbuild" %]
-            Job [% INCLUDE renderFullJobNameOfBuild build=input.dependency %] <a href="[% c.uri_for('/build' input.dependency.id) %]">build [% input.dependency.id %]</a>
-          [% ELSIF input.type == "string" || input.type == "boolean" %]
-            <tt>"[% input.value %]"</tt>
-          [% ELSE %]
-            <tt>[% input.uri %]</tt>
-          [% END %]
-        </td>
-        <td>[% IF input.revision %][% input.revision %][% END %]</td>
-        <td><tt>[% input.path %]</tt></td>
-      </tr>
-    [% END -%]
-  </tbody>
-</table>
+		<h2>Information</h2>
+		
+		<table class="layoutTable">
+		  <tr>
+		    <th>Build ID:</th>
+		    <td>[% build.id %]</td>
+		  </tr>
+		  <tr>
+		    <th>Status:</th>
+		    <td> 
+		    	[% INCLUDE renderStatus build=build %]
+		    </td>
+		  </tr>
+		  <tr>
+		    <th>Project:</th>
+		    <td>[% INCLUDE renderProjectName project=project.name %]</td>
+		  </tr>
+		  <tr>
+		    <th>Jobset:</th>
+		    <td>[% INCLUDE renderJobsetName project=project.name jobset=jobset.name %]</td>
+		  </tr>
+		  <tr>
+		    <th>Job name:</th>
+		    <td>[% INCLUDE renderJobName project=project.name jobset=jobset.name job=job.name %]</td>
+		  </tr>
+		  [% IF build.nixexprinput %]
+		  <tr>
+		    <th>Nix expression:</th>
+		    <td>file <tt>[% HTML.escape(build.nixexprpath) %]</tt> in input <tt>[% HTML.escape(build.nixexprinput) %]</tt></td>
+		  </tr>
+		  [% END %]
+		  <tr>
+		    <th>Nix name:</th>
+		    <td><tt>[% build.nixname %]</tt></td>
+		  </tr>
+		  [% IF build.resultInfo.releasename %]
+		    <tr>
+		      <th>Release name:</th>
+		      <td><tt>[% HTML.escape(build.resultInfo.releasename) %]</tt></td>
+		    </tr>
+		  [% END %]
+		  <tr>
+		    <th>Short description:</th>
+		    <td>[% IF build.description %][% HTML.escape(build.description) %][% ELSE %]<em>(not given)</em>[% END %]</td>
+		  </tr>
+		  <tr>
+		    <th>Long description:</th>
+		    <td>[% IF build.longdescription %][% HTML.escape(build.longdescription) %][% ELSE %]<em>(not given)</em>[% END %]</td>
+		  </tr>
+		  <tr>
+		    <th>License:</th>
+		    <td>[% IF build.license %][% HTML.escape(build.license) %][% ELSE %]<em>(not given)</em>[% END %]</td>
+		  </tr>
+		  <tr>
+		    <th>Homepage:</th>
+		    <td>[% IF build.homepage %]<a [% HTML.attributes(href => build.homepage) %]>[% HTML.escape(build.homepage) %]</a>[% ELSE %]<em>(not given)</em>[% END %]</td>
+		  </tr>
+		  <tr>
+		    <th>Maintainer(s):</th>
+		    <td>[% IF build.maintainers %]<tt>[% HTML.escape(build.maintainers) %]</tt>[% ELSE %]<em>(not given)</em>[% END %]</td>
+		  </tr>
+		  <tr>
+		    <th>System:</th>
+		    <td><tt>[% build.system %]</tt></td>
+		  </tr>
+		  <tr>
+		    <th>Derivation store path:</th>
+		    <td>
+		      <tt>[% build.drvpath %]</tt>
+		      [% IF drvAvailable %]
+		        (build-time dependencies: <a href="[% c.uri_for('/build' build.id 'buildtime-deps') %]">graph</a> | <a href="[% c.uri_for('/build' build.id 'deps') %]#buildtime">list</a>)
+		      [% END %]
+		    </td>
+		  </tr>
+		  <tr>
+		    <th>Output store path:</th>
+		    <td>
+		      <tt>[% build.outpath %]</tt>
+		      [% IF available %]
+		        (runtime dependencies: <a href="[% c.uri_for('/build' build.id 'runtime-deps') %]">graph</a> | <a href="[% c.uri_for('/build' build.id 'deps') %]#runtime">list</a>)
+		      [% END %]
+		    </td>
+		  </tr>
+		  <tr>
+		    <th>Time added:</th>
+		    <td>[% INCLUDE renderDateTime timestamp = build.timestamp %]</td>
+		  </tr>
+		  [% IF build.finished && build.resultInfo.buildstatus != 4 %]
+		    [% IF build.resultInfo.iscachedbuild && cachedBuild %]
+		      <tr>
+		        <th>Cached build:</th>
+		        <td>[% INCLUDE renderFullBuildLink build=cachedBuild %]</td>
+		      </tr>
+		    [% END %]
+		    
+		    <tr>
+		      <th>Build started:</th>
+		      <td>[% IF build.resultInfo.starttime %][% INCLUDE renderDateTime timestamp = build.resultInfo.starttime %][% ELSE %]<em>(cached build)</em>[% END %]</td>
+		    </tr>
+		    <tr>
+		      <th>Build finished:</th>
+		      <td>[% IF build.resultInfo.stoptime %][% INCLUDE renderDateTime timestamp = build.resultInfo.stoptime %][% ELSE %]<em>(cached build)</em>[% END %]</td>
+		    </tr>
+		    <tr>
+		      <th>Duration:</th>
+		      <td>
+		        [% IF build.resultInfo.iscachedbuild %]
+		          <em>(cached build)</em>
+		        [% ELSE %]
+		          [% INCLUDE renderDuration duration = build.resultInfo.stoptime - build.resultInfo.starttime %]
+		        [% END %]
+		      </td>
+		    </tr>
+		    [% IF build.resultInfo.logfile %]
+		      <tr>
+		        <th>Logfile:</th>
+		        <td>
+		          <a href="[% c.uri_for('/build' build.id 'log') %]"><strong>Available</strong></a>
+		          (<a href="[% c.uri_for('/build' build.id 'log' 'raw') %]">raw</a>,
+		           <a href="[% c.uri_for('/build' build.id 'log' 'tail') %]">tail</a>)
+		        </td>
+		      </tr>
+		    [% END %]
+		  [% END %]
+		  [% IF !build.finished %]
+		    <tr>
+		      <th>Priority:</th>
+		      <td>[% build.schedulingInfo.priority %]</td>
+		    </tr>
+		  [% END %]
+		  [% IF build.finished && build.buildproducts %]
+		    <tr>
+		      <th>Availability:</th>
+		      <td>
+		        [% IF !available %]
+		          <em>Build output is no longer available</em>
+		        [% ELSIF build.resultInfo.keep %]
+		          <em>Build output will be kept permanently</em>
+		          [% IF c.user_exists %]
+		            <form action="[% c.uri_for('/build' build.id 'keep' 0) %]" method="post" class="inline">
+		              <button id="unkeep" type="submit">Unkeep</button>
+		            </form>
+		          [% END %]
+		        [% ELSE %]
+		          <em>Build output is available, but may be garbage-collected</em>
+		          [% IF c.user_exists %]
+		            <form action="[% c.uri_for('/build' build.id 'keep' 1) %]" method="post" class="inline">
+		              <button id="keep" type="submit">Keep</button>
+		            </form>
+		          [% END %]
+		        [% END %]
+		      </td>
+		    </tr>
+		  [% END %]
+		</table>
+	</div>
+	<div id="tabs-buildinputs">
+		
+		<h2>Build inputs</h2>
+		
+		<table class="tablesorter">
+		  <thead>
+		    <tr><th>Name</th><th>Type</th><th>Value</th><th>Revision</th><th>Store path</th></tr>
+		  </thead>
+		  <tbody>
+		    [% FOREACH input IN build.inputs -%]
+		      <tr>
+		        <td><tt>[% input.name %]</tt></td>
+		        <td><tt>[% type = input.type; inputTypes.$type %]</tt></td>
+		        <td>
+		          [% IF input.type == "build" || input.type == "sysbuild" %]
+		            [% INCLUDE renderFullBuildLink build=input.dependency %]</a>
+		          [% ELSIF input.type == "string" || input.type == "boolean" %]
+		            <tt>"[% input.value %]"</tt>
+		          [% ELSE %]
+		            <tt>[% input.uri %]</tt>
+		          [% END %]
+		        </td>
+		        <td>[% IF input.revision %][% input.revision %][% END %]</td>
+		        <td><tt>[% input.path %]</tt></td>
+		      </tr>
+		    [% END -%]
+		  </tbody>
+		</table>
+	</div>
 
 
 [% IF build.buildsteps %]
-
-<h2 id="buildsteps">Build steps</h2>
-
-<table class="tablesorter">
-  <thead>
-    <tr><th>Nr</th><th>What</th><th>Duration</th><th>Status</th></tr>
-  </thead>
-  <tbody>
-    [% FOREACH step IN build.buildsteps -%]
-      [% log = c.uri_for('/build' build.id 'nixlog' step.stepnr) %]
-      <tr class="[% IF step.logfile %]clickable[% END %]"
-          [% IF step.logfile %] onclick="window.location = '[% log %]'" [% END %]>
-        <td>[% step.stepnr %]</td>
-        <td>
-          [% IF step.type == 0 %]
-            Build of <tt>[% step.outpath %]</tt>
-          [% ELSE %]
-            Substitution of <tt>[% step.outpath %]</tt>
-          [% END %]
-        </td>
-        <td>
-          [% IF step.busy == 0 %]
-            [% INCLUDE renderDuration duration = step.stoptime - step.starttime %]
-          [% ELSE %]
-            [% IF build.finished %]
-              [% INCLUDE renderDuration duration = build.resultInfo.stoptime - step.starttime %]
-            [% ELSE %]
-              [% INCLUDE renderDuration duration = curTime - step.starttime %]
-            [% END %]
-          [% END %]
-        </td>
-        <td>
-          [% IF step.busy == 1 %]
-            [% IF build.finished %]
-              <span class="error">Aborted</span>
-            [% ELSE %]
-              <strong>Building</strong>
-            [% END %]
-          [% ELSIF step.status == 0 %]
-            Succeeded
-          [% ELSE %]
-            <span class="error">Failed: [% HTML.escape(step.errormsg) %]</span>
-          [% END %]
-          [% IF step.logfile %]
-            (<a href="[% log %]">log</a>, <a href="[% "$log/raw" %]">raw</a>, <a href="[% "$log/tail" %]">tail</a>)
-          [% END %]
-        </td>
-      </tr>
-    [% END %]
-  </tbody>
-</table>
-
+	<div id="tabs-buildsteps">
+		[% INCLUDE renderBuildSteps onlyFailed=0 %]
+	</div>
 [% END %]
-
-
-[% IF build.finished %]
-
-
-[% IF build.resultInfo.errormsg && build.resultInfo.buildstatus != 5 %]
-
-<h2 id="nix-error">Nix error output</h2>
-
-<pre class="buildlog">
-[% HTML.escape(build.resultInfo.errormsg) -%]
-</pre>
-
-[% END %]
-
+	
 
 [% IF build.dependents %]
+    <div id="tabs-usedby">
 
-<h2>Used by</h2>
-
-<p>The following builds have used this build as an input:</p>
-
-<table class="tablesorter">
-  <thead>
-    <tr><th>Build</th><th>Input name</th><th>System</th><th>Timestamp</th></tr>
-  </thead>
-  <tbody>
-    [% FOREACH input IN build.dependents -%]
-      <tr>
-        <td>Job [% INCLUDE renderFullJobNameOfBuild build=input.build %] <a href="[% c.uri_for('/build' input.build.id) %]">build [% input.build.id %]</a></td>
-        <td><tt>[% input.name %]</tt></td>
-        <td><tt>[% input.build.system %]</tt></td>
-        <td>[% INCLUDE renderDateTime timestamp = input.build.timestamp %]</td>
-      </tr>
-    [% END -%]
-  </tbody>
-</table>
-
+		<h2>Used by</h2>
+		
+		<p>The following builds have used this build as an input:</p>
+		
+		<table class="tablesorter">
+		  <thead>
+		    <tr><th>Build</th><th>Input name</th><th>System</th><th>Timestamp</th></tr>
+		  </thead>
+		  <tbody>
+		    [% FOREACH input IN build.dependents -%]
+		      <tr>
+		        <td>[% INCLUDE renderFullBuildLink build=input.build %]</td>
+		        <td><tt>[% input.name %]</tt></td>
+		        <td><tt>[% input.build.system %]</tt></td>
+		        <td>[% INCLUDE renderDateTime timestamp = input.build.timestamp %]</td>
+		      </tr>
+		    [% END -%]
+		  </tbody>
+		</table>
+    </div>
 [% END %]
 
+</div>
 
-[% ELSIF build.schedulingInfo.busy %]
+<script type="text/javascript">
+	$("#generic-tabs").tabs();
+</script>
 
 
-<h2>Log</h2>
-
-<pre class="buildlog">
-[% HTML.escape(logtext) -%]
-</pre>
-
-
-[% END %]
-
 
 [% END %]
 
diff --git a/src/root/common.tt b/src/root/common.tt
index 1be6c0fd..a1dc377e 100644
--- a/src/root/common.tt
+++ b/src/root/common.tt
@@ -196,3 +196,72 @@
     HTML.escape(value);
   END -%]
 [% END -%]
+
+[% BLOCK renderFullBuildLink; %] 
+	Job [% INCLUDE renderFullJobNameOfBuild build=build %] <a href="[% c.uri_for('/build' build.id) %]">build [% build.id %]
+[% END %]
+
+[% BLOCK renderBuildStatusIcon; %] 
+ 		 [% IF build.finished %]
+		        [% IF build.resultInfo.buildstatus == 0 %]
+		          <img src="/static/images/checkmark_[% size %].png" alt="Succeeded" />
+		        [% ELSIF build.resultInfo.buildstatus == 1 %]
+		          <img src="/static/images/error_[% size %].png" alt="Failed" />
+		        [% ELSIF build.resultInfo.buildstatus == 2 %]
+		          <img src="/static/images/error_[% size %].png" alt="Failed" />
+		        [% ELSIF build.resultInfo.buildstatus == 4 %]
+		          <img src="/static/images/error_[% size %].png" alt="Failed" />
+		        [% ELSIF build.resultInfo.buildstatus == 5 %]
+		          <img src="/static/images/error_[% size %].png" alt="Failed" />
+		        [% ELSE %]
+		          <img src="/static/images/error_[% size %].png" alt="Failed" />
+		        [% END %]  
+	      [% ELSIF build.schedulingInfo.busy %]
+		          <img src="/static/images/help_[% size %].png" alt="Budy" />
+	      [% ELSE %]
+		          <img src="/static/images/help_[% size %].png" alt="Scheduled" />
+          [% END %] 
+[% END %]
+
+[% BLOCK renderStatus; %] 
+ 		 [% IF build.finished %]
+		        [% IF build.resultInfo.buildstatus == 0 %]
+		          <img src="/static/images/success.gif" alt="Succeeded" />
+		          <strong>Success</strong>
+		        [% ELSIF build.resultInfo.buildstatus == 1 %]
+		          <img src="/static/images/failure.gif" alt="Failed" />
+		          <span class="error">Build returned a non-zero exit code</span>
+		        [% ELSIF build.resultInfo.buildstatus == 2 %]
+		          <img src="/static/images/failure.gif" alt="Failed" />
+		          <span class="error">A dependency of the build failed</span>
+		        [% ELSIF build.resultInfo.buildstatus == 4 %]
+		          <img src="/static/images/failure.gif" alt="Failed" />
+		          <span class="error">Cancelled by user</span>
+		        [% ELSIF build.resultInfo.buildstatus == 5 %]
+		          <img src="/static/images/failure.gif" alt="Failed" />
+		          <span class="error">Build inhibited because a dependency previously failed to build</span>
+		          [% failedDep = build.resultInfo.failedDep %]
+		          (namely, <a href="[% c.uri_for('/build' failedDep.build.id 'nixlog' failedDep.stepnr) %]"><tt>[% failedDep.outpath %]</tt></a>)
+		        [% ELSE %]
+		          <img src="/static/images/failure.gif" alt="Failed" />
+		          <span class="error">Build failed</span>
+		          (see <a href="#nix-error">below</a>)
+		        [% END %]  
+		        [% IF c.user_exists && (build.resultInfo.buildstatus == 3 || build.resultInfo.buildstatus == 4) %]
+		          <form action="[% c.uri_for('/build' build.id 'restart') %]" method="post" class="inline">
+		            <button id="restart" type="submit">Restart</button>
+		          </form>
+		        [% END %]
+	      [% ELSIF build.schedulingInfo.busy %]
+	        <strong>Build in progress</strong>
+	        since [% INCLUDE renderDateTime timestamp = build.schedulingInfo.starttime %]
+	      [% ELSE %]
+	        <strong>Scheduled to be built</strong>
+	        [% IF c.user_exists %]
+	          <form action="[% c.uri_for('/build' build.id 'cancel') %]" method="post" class="inline">
+	            <button id="cancel" type="submit">Cancel</button>
+	          </form>
+	        [% END %]
+          [% END %] 
+[% END -%]
+
diff --git a/src/root/job.tt b/src/root/job.tt
index a34179d7..4e2b237e 100644
--- a/src/root/job.tt
+++ b/src/root/job.tt
@@ -9,44 +9,55 @@
        title = jobset.name %]:[% job.name %]</tt></h1>
 
 
-<h2>Status</h2>
-
-[% INCLUDE renderBuildList builds=currentBuilds showStatusChange=0 %]
-
-<h2>Channels</h2>
-
-<p>This job provides the following Nix channels:</p>
-
-<ul>
-  <li>
-    <a href="[% c.uri_for('/job' project.name jobset.name job.name
-    'channel' 'latest') %]"><tt>latest</tt></a> — contains the latest
-    successful build for each platform.
-  </li>
-  <li>
-    <a href="[% c.uri_for('/job' project.name jobset.name job.name
-    'channel' 'all') %]"><tt>all</tt></a> — contains every successful
-    build of this job.
-  </li>
-</ul>
-
-
-<h2>Latest builds</h2>
-
-<ul>
-  <li><a href="[% c.uri_for('/job' project.name jobset.name job.name
-  'latest') %]">Latest successful build.</a></li>
-  [% FOREACH system IN systems %]
-    <li><a href="[% c.uri_for('/job' project.name jobset.name job.name
-    'latest-for' system.system) %]">Latest successful build for <tt>[%
-    system.system %]</tt>.</a></li>
-  [% END %]
-</ul>
-
-
-<h2>Statistics</h2>
-
-[% INCLUDE showBuildStats %]
+<div id="generic-tabs">
+	<ul>
+		<li><a href="#tabs-status">Status</a></li>
+		<li><a href="#tabs-channels">Channels</a></li>
+		<li><a href="#tabs-latestbuilds">Latest builds</a></li>
+		<li><a href="#tabs-statistics">Statistics</a></li>
+	</ul>
+	<div id="tabs-status">
+	    <h2>Finished builds</h2>
+		[% INCLUDE renderBuildList builds=currentBuilds showStatusChange=0 %]
+		[% IF runningBuilds %]
+		    <h2>Running builds</h2>
+			[% INCLUDE renderBuildList builds=runningBuilds showStatusChange=0 %]
+		[% END %]
+	</div>
+	<div id="tabs-channels">
+		<p>This job provides the following Nix channels:</p>
+		
+		<ul>
+		  <li>
+		    <a href="[% c.uri_for('/job' project.name jobset.name job.name
+		    'channel' 'latest') %]"><tt>latest</tt></a> — contains the latest
+		    successful build for each platform.
+		  </li>
+		  <li>
+		    <a href="[% c.uri_for('/job' project.name jobset.name job.name
+		    'channel' 'all') %]"><tt>all</tt></a> — contains every successful
+		    build of this job.
+		  </li>
+		</ul>
+	</div>
+	<div id="tabs-latestbuilds">
+		<ul>
+		  <li><a href="[% c.uri_for('/job' project.name jobset.name job.name
+		  'latest') %]">Latest successful build.</a></li>
+		  [% FOREACH system IN systems %]
+		    <li><a href="[% c.uri_for('/job' project.name jobset.name job.name
+		    'latest-for' system.system) %]">Latest successful build for <tt>[%
+		    system.system %]</tt>.</a></li>
+		  [% END %]
+		</ul>
+	</div>
+	<div id="tabs-statistics">
+		[% INCLUDE showBuildStats %]
+    </div>
+</div>
+<script type="text/javascript">
+	$("#generic-tabs").tabs();
+</script>
 
 
 [% END %]
diff --git a/src/root/jobset.tt b/src/root/jobset.tt
index 341c0a32..8362533a 100644
--- a/src/root/jobset.tt
+++ b/src/root/jobset.tt
@@ -53,130 +53,203 @@
 [% END %]
 
 
-<h2>Information[% IF !edit %] <a class="smallLink" href="[% c.uri_for('/jobset' project.name jobset.name 'edit') %]">[Edit]</a>[% END %]</h2>
-
-<table class="layoutTable">
-  [% IF edit %]
-  <tr>
-    <th>Identifier:</th>
-    <td>[% INCLUDE maybeEditString param="name" value=jobset.name %]</td>
-  </tr>
-  [% END %]
-  <tr>
-    <th>Description:</th>
-    <td>[% INCLUDE maybeEditString param="description" value=jobset.description %]</td>
-  </tr>
-  <tr>
-    <th>Nix expression:</th>
-    <td>
-      <tt>[% INCLUDE maybeEditString param="nixexprpath" value=jobset.nixexprpath extraClass="shortString" %]</tt> in input
-      <tt>[% INCLUDE maybeEditString param="nixexprinput" value=jobset.nixexprinput extraClass="shortString" %]</tt>
-    </td>
-  </tr>
-  <tr>
-    <th>Enabled:</th>
-    <td>
-      [% INCLUDE renderSelection param="enabled" curValue=jobset.enabled options={"1" = "Yes", "0" = "No"} %]
-    </td>
-  </tr>
-  <tr>
-    <th>Enable email notification:</th>
-    <td>
-      [% INCLUDE renderSelection param="enableemail" curValue=jobset.enableemail options={"1" = "Yes", "0" = "No"} %]
-    </td>
-  </tr>
-  <tr>
-    <th>Email override:</th>
-    <td>
-      [% INCLUDE maybeEditString param="emailoverride" value=jobset.emailoverride %]
-    </td>
-  </tr>
-  [% IF !edit %]
-  <tr>
-    <th>Last checked:</th>
-    <td>
-      [% IF jobset.lastcheckedtime %]
-        [% INCLUDE renderDateTime timestamp = jobset.lastcheckedtime -%][% IF jobset.errormsg -%]<em>, evaluation error</em>:
-          <pre class="multiLineMsg error">[% HTML.escape(jobset.errormsg) %]</pre>
-        [% ELSE %], <em>no errors</em>
-        [% END %]
-      [% ELSE %]
-        <em>never</em>
-      [% END %]
-    </td>
-  </tr>
-  [% END %]
-</table>
-
-
-<h3>Inputs</h3>
-
-<table class="tablesorter">
-  <thead>
-    <tr><th>Input name</th><th>Type</th><th>Values</th></tr>
-  </thead>
-  <tbody class="inputs">
-    [% FOREACH input IN jobset.jobsetinputs -%]
-      [% INCLUDE renderInput input=input baseName="input-$input.name" %]
-    [% END %]
-    [% IF edit %]
-      <tr>
-        <td colspan="3"><button type="button" class="add-input">Add a new input</button></td>
-      </tr>
-    [% END %]
-  </tbody>
-</table>
-
-
-<h2>Channels</h2>
-
-<p>This jobset provides the following Nix channels:</p>
-
-<ul>
-  <li>
-    <a href="[% c.uri_for('/jobset' project.name jobset.name 'channel'
-    'latest') %]"><tt>latest</tt></a> — contains the latest successful
-    build of every job in this jobset.
-  </li>
-  <li>
-    <a href="[% c.uri_for('/jobset' project.name jobset.name 'channel'
-    'all') %]"><tt>all</tt></a> — contains every successful,
-    non-garbage-collected build of every job in this project.
-  </li>
-</ul>
-
-
-[% IF !edit %]
-
-
-<h2>Jobs</h2>
-
-<p>This jobset currently contains the following [% activeJobs.size %] jobs:
-
-  <blockquote>
-    [% IF activeJobs.size == 0 %]<em>(none)</em>[% END %]
-    [% FOREACH j IN activeJobs %] [% INCLUDE renderJobName project=project.name jobset=jobset.name job=j.get_column('job') %] [% END %]
-  </blockquote>
-</p>
-
-<p>This jobset used to contain the following [% inactiveJobs.size %] jobs:
-
-  <blockquote>
-    [% IF inactiveJobs.size == 0 %]<em>(none)</em>[% END %]
-    [% FOREACH j IN inactiveJobs %] [% INCLUDE renderJobName project=project.name jobset=jobset.name job=j.get_column('job') %] [% END %]
-  </blockquote>
-
-</p>
-
-
-<h2>Statistics</h2>
-
-[% INCLUDE showBuildStats %]
-
+[% BLOCK renderInputs %]
+		<h3>Inputs</h3>
+		
+		<table class="tablesorter">
+		  <thead>
+		    <tr><th>Input name</th><th>Type</th><th>Values</th></tr>
+		  </thead>
+		  <tbody class="inputs">
+		    [% FOREACH input IN jobset.jobsetinputs -%]
+		      [% INCLUDE renderInput input=input baseName="input-$input.name" %]
+		    [% END %]
+		    [% IF edit %]
+		      <tr>
+		        <td colspan="3"><button type="button" class="add-input">Add a new input</button></td>
+		      </tr>
+		    [% END %]
+		  </tbody>
+		</table>
 
 [% END %]
 
 
+<div id="generic-tabs">
+	<ul>
+		[% IF !edit -%]
+ 			<li><a href="#tabs-information">Jobset</a></li>
+	        [% IF jobset.errormsg -%]<li><a href="#tabs-errors">Errors</a></li>[% END %]
+			<li><a href="#tabs-jobs">Jobs ([% activeJobs.size %])</a></li>
+		[% END %]
+		<li><a href="#tabs-setup">Setup</a></li>
+		[% IF !edit -%]
+			<li><a href="#tabs-channels">Channels</a></li>
+			<li><a href="#tabs-statistics">Statistics</a></li>
+		[% END %]
+	</ul>
+	<div id="tabs-information">
+	    [% IF lastBuilds %]
+	    	<h2>Most recent builds</h2>
+	    	[% INCLUDE renderBuildList builds=lastBuilds %]
+	    [% END %]
+	
+		[% IF !edit && activeJobsStatus -%]
+		    <h2>Status</h2>
+		    <table class="activeJobsStatus">
+		      <thead><tr><th>Job</th>[% FOREACH s IN systems %]<th>[% s.system %]</th>[% END %]</tr></thead>
+		      <tbody>
+                [% odd = 0 %]
+		      	[% FOREACH j IN activeJobsStatus %] 
+		      	  <tr class="[% IF odd %] odd [% END; odd = !odd -%]">
+		      	     <td>[% INCLUDE renderJobName project=project.name jobset = jobset.name job = j.get_column('job') %]</td> 
+		      	     [% FOREACH s IN systems %]
+                       [% system = s.system %]
+                       [% systemStatus = j.get_column(system) %]
+		      	       <td>
+		      	          [% IF systemStatus != undef %]
+		      	             <a href="[% c.uri_for('/build' j.get_column(system _ '-build') ) %]">
+			      	         [% IF systemStatus == 0 %]
+	                           <img src="/static/images/success.gif" alt="Succeeded" />
+	                         [% ELSE %]
+	                           <img src="/static/images/failure.gif" alt="Failed" />
+	                         [% END %]
+	                         </a>
+	                       [% END %]
+		      	       </td>
+		      	     [% END %]
+  		      	  </tr> 
+		      	[% END %]
+		      </tbody>
+		    </table>
+		[% END %]
+
+	</div>
+	[% IF !edit -%]
+	
+		[% IF jobset.errormsg -%]
+		<div id="tabs-errors">
+		  <h3>Evaluation error</h3>
+		  <pre class="multiLineMsg error">[% HTML.escape(jobset.errormsg) %]</pre>
+		</div>
+		[% END %]
+	[% END %]
+		<div id="tabs-setup">
+			<h2>Information[% IF !edit %] <a class="smallLink" href="[% c.uri_for('/jobset' project.name jobset.name 'edit') %]">[Edit]</a>[% END %]</h2>
+			
+			<table class="layoutTable">
+			  [% IF edit %]
+			  <tr>
+			    <th>Identifier:</th>
+			    <td>[% INCLUDE maybeEditString param="name" value=jobset.name %]</td>
+			  </tr>
+			  [% END %]
+			  <tr>
+			    <th>Description:</th>
+			    <td>[% INCLUDE maybeEditString param="description" value=jobset.description %]</td>
+			  </tr>
+			  <tr>
+			    <th>Nix expression:</th>
+			    <td>
+			      <tt>[% INCLUDE maybeEditString param="nixexprpath" value=jobset.nixexprpath extraClass="shortString" %]</tt> in input
+			      <tt>[% INCLUDE maybeEditString param="nixexprinput" value=jobset.nixexprinput extraClass="shortString" %]</tt>
+			    </td>
+			  </tr>
+			  <tr>
+			    <th>Enabled:</th>
+			    <td>
+			      [% INCLUDE renderSelection param="enabled" curValue=jobset.enabled options={"1" = "Yes", "0" = "No"} %]
+			    </td>
+			  </tr>
+			  <tr>
+			    <th>Enable email notification:</th>
+			    <td>
+			      [% INCLUDE renderSelection param="enableemail" curValue=jobset.enableemail options={"1" = "Yes", "0" = "No"} %]
+			    </td>
+			  </tr>
+			  <tr>
+			    <th>Email override:</th>
+			    <td>
+			      [% INCLUDE maybeEditString param="emailoverride" value=jobset.emailoverride %]
+			    </td>
+			  </tr>
+			  [% IF !edit %]
+			  <tr>
+			    <th>Last checked:</th>
+			    <td>
+			      [% IF jobset.lastcheckedtime %]
+			        [% INCLUDE renderDateTime timestamp = jobset.lastcheckedtime -%][% IF jobset.errormsg -%]<em>, with errors!</em>
+			        [% ELSE %], <em>no errors</em>
+			        [% END %]
+			      [% ELSE %]
+			        <em>never</em>
+			      [% END %]
+			    </td>
+			  </tr>
+			  [% END %]
+			</table>
+
+		
+			[% INCLUDE renderInputs %]
+		</div>
+	[% IF !edit -%]
+		<div id="tabs-channels">
+		
+			<h2>Channels</h2>
+			
+			<p>This jobset provides the following Nix channels:</p>
+			
+			<ul>
+			  <li>
+			    <a href="[% c.uri_for('/jobset' project.name jobset.name 'channel'
+			    'latest') %]"><tt>latest</tt></a> — contains the latest successful
+			    build of every job in this jobset.
+			  </li>
+			  <li>
+			    <a href="[% c.uri_for('/jobset' project.name jobset.name 'channel'
+			    'all') %]"><tt>all</tt></a> — contains every successful,
+			    non-garbage-collected build of every job in this project.
+			  </li>
+			</ul>
+			
+		</div>
+	
+		<div id="tabs-jobs">
+		
+			<h2>Jobs</h2>
+			
+			<p>This jobset currently contains the following [% activeJobs.size %] jobs:
+			
+			  <blockquote>
+			    [% IF activeJobs.size == 0 %]<em>(none)</em>[% END %]
+			    [% FOREACH j IN activeJobs %] [% INCLUDE renderJobName project=project.name jobset=jobset.name job=j.get_column('job') %] [% END %]
+			  </blockquote>
+			</p>
+			
+			<p>This jobset used to contain the following [% inactiveJobs.size %] jobs:
+			
+			  <blockquote>
+			    [% IF inactiveJobs.size == 0 %]<em>(none)</em>[% END %]
+			    [% FOREACH j IN inactiveJobs %] [% INCLUDE renderJobName project=project.name jobset=jobset.name job=j.get_column('job') %] [% END %]
+			  </blockquote>
+			
+			</p>
+		
+		</div>
+		<div id="tabs-statistics">
+		
+			<h2>Statistics</h2>
+			
+			[% INCLUDE showBuildStats %]
+		</div>
+	[% END %]
+
+</div>
+
+<script type="text/javascript">
+	$("#generic-tabs").tabs();
+</script>
+
 [% IF edit %]
 
   <table class="template"> <!-- dummy wrapper needed because “hidden” trs are visible anyway -->
diff --git a/src/root/layout.tt b/src/root/layout.tt
index a729d164..6d6b6280 100644
--- a/src/root/layout.tt
+++ b/src/root/layout.tt
@@ -10,11 +10,11 @@
   
   <head>
     <title>Hydra - [% title %]</title>
+    <link type="text/css" href="/static/js/jquery/css/smoothness/jquery-ui-1.7.2.custom.css" rel="Stylesheet" />
     <link rel="stylesheet" href="/static/css/hydra.css" type="text/css" />
     <link rel="stylesheet" href="/static/css/nix-common.css" type="text/css" />
     <link rel="stylesheet" href="/static/css/nixos-site.css" type="text/css" />
     <link rel="stylesheet" href="/static/css/logfile.css" type="text/css" />
-    <link type="text/css" href="/static/js/jquery/css/smoothness/jquery-ui-1.7.2.custom.css" rel="Stylesheet" />
     <script type="text/javascript" src="/static/js/jquery/js/jquery-1.3.2.min.js"></script> 
     <script type="text/javascript" src="/static/js/jquery/js/jquery-ui-1.7.2.custom.min.js"></script> 
     <script type="text/javascript" src="/static/js/tablesorter/jquery.tablesorter.js"></script>
diff --git a/src/root/overview.tt b/src/root/overview.tt
index 873427eb..24a7db27 100644
--- a/src/root/overview.tt
+++ b/src/root/overview.tt
@@ -1,15 +1,6 @@
 [% WRAPPER layout.tt title="Overview" %]
 [% PROCESS common.tt %]
 
-
-<h1>Hydra Overview</h1>
-
-<p>Welcome to Hydra, the <a href="http://nixos.org/">Nix-based</a>
-continuous build system.  Hydra continuously builds, tests and
-releases software packages from source repositories. <a
-href="http://nixos.org/hydra"><em>[Read more...]</em></a></p>
-
-
 <h2>Projects</h2>
 
 <p>The following projects are hosted on this server:</p>
diff --git a/src/root/project.tt b/src/root/project.tt
index 2b36cecf..ebbefcb5 100644
--- a/src/root/project.tt
+++ b/src/root/project.tt
@@ -1,173 +1,194 @@
 [% WRAPPER layout.tt title=(edit ? (create ? "New Project" : "Editing Project ‘$project.name’") : "Project ‘$project.name’") %]
 [% PROCESS common.tt %]
 
-
-[% IF edit %]
-  <form action="[% IF create %][% c.uri_for('/create-project/submit') %][% ELSE %][% c.uri_for('/project' project.name 'submit') %][% END %]" method="post">
-[% END %]
-
-
 [% IF create %]
   <h1>New Project</h1>
 [% ELSE %]
   <h1>Project <tt>[% project.name %]</tt></h1>
 [% END %]
 
+<div id="generic-tabs">
+	<ul>
+		[% IF !edit %]
+			<li><a href="#tabs-project">Project</a></li>
+		[% END %]
+		<li><a href="#tabs-settings">Settings</a></li>
+		[% IF !edit %]
+			<li><a href="#tabs-views">Views</a></li>
+			<li><a href="#tabs-channels">Channels</a></li>
+			<li><a href="#tabs-statistics">Statistics</a></li>
+		[% END %]
+	</ul>
 
-<h2>Information[% IF !edit %] <a class="smallLink" href="[% c.uri_for('/project' project.name 'edit') %]">[Edit]</a>[% END %]</h2>
+	[% IF !edit %]
+		<div id="tabs-project">
+			<h2>Jobsets</h2>
+			
+			[% IF project.jobsets.size > 0 %]
+			
+			<p>This project has the following jobsets:</p>
+			
+			<table class="tablesorter">
+			  <thead>
+			    <tr>
+			      <th>Id</th>
+			      <th>Description</th>
+			      <th>Last evaluated</th>
+			    </tr>
+			  </thead>
+			  <tbody>
+			    [% FOREACH j IN project.jobsets %]
+			    <tr class="clickable [% IF odd %] odd [% END; odd = !odd %]"
+			        onclick="window.location = '[% c.uri_for('/jobset' project.name j.name) %]'">
+			      <td>[% INCLUDE renderJobsetName project = project.name jobset = j.name %]</td>
+			      <td>[% HTML.escape(j.description) %]</td>
+			      <td>[% INCLUDE renderDateTime timestamp = j.lastcheckedtime %]</td>
+			    </tr>
+			    [% END %]
+			  </tbody>
+			</table>
+			
+			[% ELSE %]
+			
+			<p>No jobsets have been defined yet.</p>
+			
+			[% END %]
+			
+			<p><a href="[% c.uri_for(c.controller('Project').action_for('create_jobset'), [project.name]) %]">[Create a new jobset]</a></p>
+	
+		</div>
+	[% END %]
+	<div id="tabs-settings">
+		[% IF edit %]
+		  <form action="[% IF create %][% c.uri_for('/create-project/submit') %][% ELSE %][% c.uri_for('/project' project.name 'submit') %][% END %]" method="post">
+		[% END %]
+		
+		
+		<h2>Information[% IF !edit %] <a class="smallLink" href="[% c.uri_for('/project' project.name 'edit') %]">[Edit]</a>[% END %]</h2>
+		
+		<table class="layoutTable">
+		  [% IF edit %]
+		  <tr>
+		    <th>Identifier:</th>
+		    <td><tt>[% INCLUDE maybeEditString param="name" value=project.name %]</tt></td>
+		  </tr>
+		  [% END %]
+		  <tr>
+		    <th>Display name:</th>
+		    <td>[% INCLUDE maybeEditString param="displayname" value=project.displayname %]</td>
+		  </tr>
+		  <tr>
+		    <th>Description:</th>
+		    <td>[% INCLUDE maybeEditString param="description" value=project.description %]</td>
+		  </tr>
+		  <tr>
+		    <th>Homepage:</th>
+		    <td>
+		      [% IF edit %]
+		        [% INCLUDE maybeEditString param="homepage" value=project.homepage %]
+		      [% ELSE %]
+		        [% IF project.homepage %]
+		          <a [% HTML.attributes(href => project.homepage) %]>[% HTML.escape(project.homepage) %]</a>
+		        [% ELSE %]
+		          <em>(not specified)</em>
+		        [% END %]
+		      [% END %]
+		    </td>
+		  </tr>
+		  <tr>
+		    <th>Owner:</th>
+		    <td><tt>[% INCLUDE maybeEditString param="owner" value=(project.owner.username || c.user.username) edit=(edit && c.check_user_roles('admin')) %]</tt></td>
+		  </tr>
+		  <tr>
+		    <th>Enabled:</th>
+		    <td>
+		      [% INCLUDE renderSelection param="enabled" curValue=project.enabled options={"1" = "Yes", "0" = "No"} %]
+		    </td>
+		  </tr>
+		</table>
+		
+		[% IF edit %]
+		
+		  <p><button type="submit"><img src="/static/images/success.gif" />[%IF create %]Create[% ELSE %]Apply changes[% END %]</button></p>
+		
+		  </form>
+		
+		  [% IF !create %]
+		
+		    <form action="[% c.uri_for('/project' project.name 'delete') %]" method="post">
+		      <p><button id="delete-project" type="submit"><img src="/static/images/failure.gif" />Delete this project</button></p>
+		    </form>
+		      
+		    <script type="text/javascript">
+		      $("#delete-project").click(function() {
+		        return confirm("Are you sure you want to delete this project?");
+		      });
+		    </script>
+		
+		  [% END %]
+		    
+		[% END %]		
+		
+	</div>
 
-<table class="layoutTable">
-  [% IF edit %]
-  <tr>
-    <th>Identifier:</th>
-    <td><tt>[% INCLUDE maybeEditString param="name" value=project.name %]</tt></td>
-  </tr>
-  [% END %]
-  <tr>
-    <th>Display name:</th>
-    <td>[% INCLUDE maybeEditString param="displayname" value=project.displayname %]</td>
-  </tr>
-  <tr>
-    <th>Description:</th>
-    <td>[% INCLUDE maybeEditString param="description" value=project.description %]</td>
-  </tr>
-  <tr>
-    <th>Homepage:</th>
-    <td>
-      [% IF edit %]
-        [% INCLUDE maybeEditString param="homepage" value=project.homepage %]
-      [% ELSE %]
-        [% IF project.homepage %]
-          <a [% HTML.attributes(href => project.homepage) %]>[% HTML.escape(project.homepage) %]</a>
-        [% ELSE %]
-          <em>(not specified)</em>
-        [% END %]
-      [% END %]
-    </td>
-  </tr>
-  <tr>
-    <th>Owner:</th>
-    <td><tt>[% INCLUDE maybeEditString param="owner" value=(project.owner.username || c.user.username) edit=(edit && c.check_user_roles('admin')) %]</tt></td>
-  </tr>
-  <tr>
-    <th>Enabled:</th>
-    <td>
-      [% INCLUDE renderSelection param="enabled" curValue=project.enabled options={"1" = "Yes", "0" = "No"} %]
-    </td>
-  </tr>
-</table>
+	[% IF !edit %]
+		<div id="tabs-views">	
+			
+			<h2>Views</h2>
+			
+			[% IF views.size > 0 %]
+			
+			<p>Project <tt>[% project.name %]</tt> has the following views:</p>
+			
+			<ul>
+			  [% FOREACH view IN views %]
+			    <li>
+			      <a href="[% c.uri_for('/view' project.name view.name) %]"><tt>[% view.name %]</tt></a>
+			      [<a href="[% c.uri_for('/view' project.name view.name "edit") %]">Edit</a>]
+			    </li>
+			  [% END %]
+			</ul>
+			
+			[% ELSE %]
+			
+			<p>Project <tt>[% project.name %]</tt> has no views.</p>
+			
+			[% END %]
+			
+			<p><a href="[% c.uri_for('/project' project.name 'create-view') %]">[Create a new view]</a></p>
+			
+		</div>
+		<div id="tabs-channels">	
+			
+			<h2>Channels</h2>
+			
+			<p>This project provides the following Nix channels:</p>
+			
+			<ul>
+			  <li>
+			    <a href="[% c.uri_for('/project' project.name 'channel' 'latest') %]"><tt>latest</tt></a> —
+			    contains the latest successful build of every job in this project.
+			  </li>
+			  <li>
+			    <a href="[% c.uri_for('/project' project.name 'channel' 'all') %]"><tt>all</tt></a> —
+			    contains every successful, non-garbage-collected build of every
+			    job in this project.
+			  </li>
+			</ul>
+			
+		</div>
+		<div id="tabs-statistics">	
+			<h2>Statistics</h2>
+			
+			[% INCLUDE showBuildStats %]
+			
+		</div>
+	[% END %]
+</div>
 
-
-
-[% IF !edit %]
-
-
-<h2>Jobsets</h2>
-
-[% IF project.jobsets.size > 0 %]
-
-<p>This project has the following jobsets:</p>
-
-<table class="tablesorter">
-  <thead>
-    <tr>
-      <th>Id</th>
-      <th>Description</th>
-      <th>Last evaluated</th>
-    </tr>
-  </thead>
-  <tbody>
-    [% FOREACH j IN project.jobsets %]
-    <tr class="clickable [% IF odd %] odd [% END; odd = !odd %]"
-        onclick="window.location = '[% c.uri_for('/jobset' project.name j.name) %]'">
-      <td>[% INCLUDE renderJobsetName project = project.name jobset = j.name %]</td>
-      <td>[% HTML.escape(j.description) %]</td>
-      <td>[% INCLUDE renderDateTime timestamp = j.lastcheckedtime %]</td>
-    </tr>
-    [% END %]
-  </tbody>
-</table>
-
-
-[% ELSE %]
-
-<p>No jobsets have been defined yet.</p>
-
-[% END %]
-
-<p><a href="[% c.uri_for(c.controller('Project').action_for('create_jobset'), [project.name]) %]">[Create a new jobset]</a></p>
-
-
-<h2>Views</h2>
-
-[% IF views.size > 0 %]
-
-<p>Project <tt>[% project.name %]</tt> has the following views:</p>
-
-<ul>
-  [% FOREACH view IN views %]
-    <li>
-      <a href="[% c.uri_for('/view' project.name view.name) %]"><tt>[% view.name %]</tt></a>
-      [<a href="[% c.uri_for('/view' project.name view.name "edit") %]">Edit</a>]
-    </li>
-  [% END %]
-</ul>
-
-[% ELSE %]
-
-<p>Project <tt>[% project.name %]</tt> has no views.</p>
-
-[% END %]
-
-<p><a href="[% c.uri_for('/project' project.name 'create-view') %]">[Create a new view]</a></p>
-
-
-<h2>Channels</h2>
-
-<p>This project provides the following Nix channels:</p>
-
-<ul>
-  <li>
-    <a href="[% c.uri_for('/project' project.name 'channel' 'latest') %]"><tt>latest</tt></a> —
-    contains the latest successful build of every job in this project.
-  </li>
-  <li>
-    <a href="[% c.uri_for('/project' project.name 'channel' 'all') %]"><tt>all</tt></a> —
-    contains every successful, non-garbage-collected build of every
-    job in this project.
-  </li>
-</ul>
-
-
-<h2>Statistics</h2>
-
-[% INCLUDE showBuildStats %]
-
-
-[% END %]
-
-
-[% IF edit %]
-
-  <p><button type="submit"><img src="/static/images/success.gif" />[%IF create %]Create[% ELSE %]Apply changes[% END %]</button></p>
-
-  </form>
-
-  [% IF !create %]
-
-    <form action="[% c.uri_for('/project' project.name 'delete') %]" method="post">
-      <p><button id="delete-project" type="submit"><img src="/static/images/failure.gif" />Delete this project</button></p>
-    </form>
-      
-    <script type="text/javascript">
-      $("#delete-project").click(function() {
-        return confirm("Are you sure you want to delete this project?");
-      });
-    </script>
-
-  [% END %]
-    
-[% END %]
+<script type="text/javascript">
+	$("#generic-tabs").tabs();
+</script>
 
 
 [% END %]
diff --git a/src/root/static/css/hydra.css b/src/root/static/css/hydra.css
index af543c21..1ad18163 100644
--- a/src/root/static/css/hydra.css
+++ b/src/root/static/css/hydra.css
@@ -1,7 +1,22 @@
+#generic-tabs li {
+	height : 30px;
+	font-size : 90%;
+}
+#generic-tabs {
+    min-height: 30em;
+}
+#generic-tabs div {
+	font-size : 90%;
+}
+
 #logo img {
     width: 8em;
 }
 
+.statusTable td, .statusTable th {
+    border-style: none;
+}
+
 tr.clickable:hover {
     background-color: #a0a0f0;
     cursor: pointer;
@@ -9,12 +24,21 @@ tr.clickable:hover {
 
 .layoutTable td, .layoutTable th {
     border-style: none;
+    text-align: left;
 }
 
 .layoutTable th {
     vertical-align: top;
 }
 
+.activeJobsStatus td, .activeJobsStatus th {
+    border-style: 1px dotted #CCCCCC;
+}
+
+.activeJobsStatus tbody tr td {
+    align: center;
+}
+
 a.smallLink {
     font-size: 60%;
     vertical-align: top;
@@ -125,7 +149,6 @@ th.releaseSetJobName {
     padding: 0 0 0 0;
 }
 
-
 /* Editing */
 
 input.string {
diff --git a/src/root/static/css/nixos-site.css b/src/root/static/css/nixos-site.css
index 67b30370..6b8ac851 100644
--- a/src/root/static/css/nixos-site.css
+++ b/src/root/static/css/nixos-site.css
@@ -93,14 +93,18 @@ ul.short-menu li a:hover {
 /* The left menu. */
 div#main {
     position: relative;
-    min-height: 10em;
+    min-height: 20em;
+}
+
+div#content {
+    min-height: 20em;
 }
 
 div#left-bar {
     position: absolute;
     left: 0em;
     width: 8em;
-    min-height: 10em;
+    min-height: 20em;
 }
 
 div#left-title {
diff --git a/src/root/static/images/checkmark_128.png b/src/root/static/images/checkmark_128.png
new file mode 100644
index 00000000..26d8f08a
Binary files /dev/null and b/src/root/static/images/checkmark_128.png differ
diff --git a/src/root/static/images/checkmark_256.png b/src/root/static/images/checkmark_256.png
new file mode 100644
index 00000000..c3f34cd8
Binary files /dev/null and b/src/root/static/images/checkmark_256.png differ
diff --git a/src/root/static/images/checkmark_32.png b/src/root/static/images/checkmark_32.png
new file mode 100644
index 00000000..0165e493
Binary files /dev/null and b/src/root/static/images/checkmark_32.png differ
diff --git a/src/root/static/images/checkmark_64.png b/src/root/static/images/checkmark_64.png
new file mode 100644
index 00000000..7807532c
Binary files /dev/null and b/src/root/static/images/checkmark_64.png differ
diff --git a/src/root/static/images/error_128.png b/src/root/static/images/error_128.png
new file mode 100644
index 00000000..4bf26aae
Binary files /dev/null and b/src/root/static/images/error_128.png differ
diff --git a/src/root/static/images/error_256.png b/src/root/static/images/error_256.png
new file mode 100644
index 00000000..31629ce5
Binary files /dev/null and b/src/root/static/images/error_256.png differ
diff --git a/src/root/static/images/error_32.png b/src/root/static/images/error_32.png
new file mode 100644
index 00000000..ef59ef79
Binary files /dev/null and b/src/root/static/images/error_32.png differ
diff --git a/src/root/static/images/error_64.png b/src/root/static/images/error_64.png
new file mode 100644
index 00000000..fefb8d7a
Binary files /dev/null and b/src/root/static/images/error_64.png differ
diff --git a/src/root/static/images/forbidden_128.png b/src/root/static/images/forbidden_128.png
new file mode 100644
index 00000000..46c9bf7d
Binary files /dev/null and b/src/root/static/images/forbidden_128.png differ
diff --git a/src/root/static/images/forbidden_256.png b/src/root/static/images/forbidden_256.png
new file mode 100644
index 00000000..85345988
Binary files /dev/null and b/src/root/static/images/forbidden_256.png differ
diff --git a/src/root/static/images/forbidden_32.png b/src/root/static/images/forbidden_32.png
new file mode 100644
index 00000000..98c07c26
Binary files /dev/null and b/src/root/static/images/forbidden_32.png differ
diff --git a/src/root/static/images/forbidden_64.png b/src/root/static/images/forbidden_64.png
new file mode 100644
index 00000000..8993807a
Binary files /dev/null and b/src/root/static/images/forbidden_64.png differ
diff --git a/src/root/static/images/help_128.png b/src/root/static/images/help_128.png
new file mode 100644
index 00000000..92e56d3f
Binary files /dev/null and b/src/root/static/images/help_128.png differ
diff --git a/src/root/static/images/help_256.png b/src/root/static/images/help_256.png
new file mode 100644
index 00000000..3322e2c4
Binary files /dev/null and b/src/root/static/images/help_256.png differ
diff --git a/src/root/static/images/help_32.png b/src/root/static/images/help_32.png
new file mode 100644
index 00000000..96eade9e
Binary files /dev/null and b/src/root/static/images/help_32.png differ
diff --git a/src/root/static/images/help_64.png b/src/root/static/images/help_64.png
new file mode 100644
index 00000000..d57c66bf
Binary files /dev/null and b/src/root/static/images/help_64.png differ
diff --git a/src/root/static/images/information_128.png b/src/root/static/images/information_128.png
new file mode 100644
index 00000000..ab39dda0
Binary files /dev/null and b/src/root/static/images/information_128.png differ
diff --git a/src/root/static/images/information_256.png b/src/root/static/images/information_256.png
new file mode 100644
index 00000000..8e516c3a
Binary files /dev/null and b/src/root/static/images/information_256.png differ
diff --git a/src/root/static/images/information_32.png b/src/root/static/images/information_32.png
new file mode 100644
index 00000000..ced7588c
Binary files /dev/null and b/src/root/static/images/information_32.png differ
diff --git a/src/root/static/images/information_64.png b/src/root/static/images/information_64.png
new file mode 100644
index 00000000..b5e41fc7
Binary files /dev/null and b/src/root/static/images/information_64.png differ
diff --git a/src/root/static/images/warning_128.png b/src/root/static/images/warning_128.png
new file mode 100644
index 00000000..397fbe1c
Binary files /dev/null and b/src/root/static/images/warning_128.png differ
diff --git a/src/root/static/images/warning_256.png b/src/root/static/images/warning_256.png
new file mode 100644
index 00000000..8c989369
Binary files /dev/null and b/src/root/static/images/warning_256.png differ
diff --git a/src/root/static/images/warning_32.png b/src/root/static/images/warning_32.png
new file mode 100644
index 00000000..7ceca1da
Binary files /dev/null and b/src/root/static/images/warning_32.png differ
diff --git a/src/root/static/images/warning_64.png b/src/root/static/images/warning_64.png
new file mode 100644
index 00000000..fe649fb0
Binary files /dev/null and b/src/root/static/images/warning_64.png differ
diff --git a/src/root/topbar.tt b/src/root/topbar.tt
index 71c8d61b..2c363bb9 100644
--- a/src/root/topbar.tt
+++ b/src/root/topbar.tt
@@ -33,6 +33,9 @@
       [% INCLUDE makeLink
         uri = c.uri_for(c.controller('Root').action_for('errors'))
         title = "Errors" %]
+      [% INCLUDE makeLink
+        uri = "http://nixos.org/hydra"
+        title = "About" %]
       [% IF c.user_exists %]
         [% INCLUDE makeLink
           uri = c.uri_for(c.controller('Root').action_for('logout'))