diff --git a/modules/installer/tools/nixos-bootstrap-archive/default.nix b/modules/installer/tools/nixos-bootstrap-archive/default.nix
index d383ad081e14..3fa287bf898a 100644
--- a/modules/installer/tools/nixos-bootstrap-archive/default.nix
+++ b/modules/installer/tools/nixos-bootstrap-archive/default.nix
@@ -17,4 +17,6 @@ runCommand "nixos-bootstrap-archive" { } ''
       $(s ${nixosBootstrap}/bin/nixos-bootstrap )
       
   cat tmp.tar | bzip2 > $out/nixos-install-archive.tar.bz2
+  ensureDir $out/nix-support
+  echo "file tarball" $out/nixos-install-archive.tar.bz2 > $out/nix-support/hydra-build-products
 ''
diff --git a/modules/misc/ids.nix b/modules/misc/ids.nix
index c100ae734563..8d516946868a 100644
--- a/modules/misc/ids.nix
+++ b/modules/misc/ids.nix
@@ -53,6 +53,7 @@ in
     davfs2 = 31;
     privoxy = 32;    
     osgi = 34;
+    sabnzbd = 33;
     tor = 35;    
     # When adding a uid, make sure it doesn't match an existing gid.
 
diff --git a/modules/module-list.nix b/modules/module-list.nix
index 8e12fd141297..841a6b11a5fd 100644
--- a/modules/module-list.nix
+++ b/modules/module-list.nix
@@ -92,10 +92,12 @@
   ./services/networking/openvpn.nix
   ./services/networking/portmap.nix
   ./services/networking/privoxy.nix
+  ./services/networking/quassel.nix
   ./services/networking/ssh/lshd.nix
   ./services/networking/ssh/sshd.nix
   ./services/networking/tftpd.nix
   ./services/networking/vsftpd.nix
+  ./services/networking/sabnzbd.nix
   ./services/networking/wicd.nix
   ./services/networking/wpa_supplicant.nix
   ./services/networking/xinetd.nix
diff --git a/modules/services/misc/nix-daemon.nix b/modules/services/misc/nix-daemon.nix
index fcdcc8fb2991..a9a0bc70f1ec 100644
--- a/modules/services/misc/nix-daemon.nix
+++ b/modules/services/misc/nix-daemon.nix
@@ -162,10 +162,6 @@ in
         internal = true;
         default = "";
         merge = mergeStringOption;
-        example = ''
-          export NIX_TARGET_LOAD=$(( 3 * $(${pkgs.coreutils}/bin/nproc) / 2 ))
-          export NIX_MAX_PARALLELIZATION=$NIX_TARGET_LOAD
-        '';
         description = "
           Environment variables used by Nix.
         ";
diff --git a/modules/services/networking/quassel.nix b/modules/services/networking/quassel.nix
new file mode 100644
index 000000000000..d4795f3b57d2
--- /dev/null
+++ b/modules/services/networking/quassel.nix
@@ -0,0 +1,97 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+  quassel = pkgs.quassel.override { daemon = true; monolithic = false; client = false; };
+  cfg = config.services.quassel;
+in
+
+{
+
+  ###### interface
+
+  options = {
+  
+    services.quassel = {
+
+      enable = mkOption {
+        default = false;
+        description = ''
+          Whether to run the Quassel IRC client daemon.
+        '';
+      };
+
+      interface = mkOption {
+        default = "127.0.0.1";
+        description = ''
+          The interface the Quassel daemon will be listening to.  If `127.0.0.1',
+          only clients on the local host can connect to it; if `0.0.0.0', clients
+          can access it from any network interface.
+        '';
+      };
+
+      portNumber = mkOption {
+        default = 4242;
+        description = ''
+          The port number the Quassel daemon will be listening to.
+        '';
+      };
+
+      logFile = mkOption {
+        default = "/var/log/quassel.log";
+        description = "Location of the logfile of the Quassel daemon.";
+      };
+
+      dataDir = mkOption {
+        default = ''/home/${cfg.user}/.config/quassel-irc.org'';
+        description = ''
+          The directory holding configuration files, the SQlite database and the SSL Cert.
+        '';
+      };
+
+      user = mkOption {
+        default = "quassel";
+        description = ''
+          The user the Quassel daemon should run as.
+        '';
+      };
+
+    };
+
+  };
+  
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    users.extraUsers = singleton
+      { name = cfg.user;
+        description = "Quassel IRC client daemon";
+      };
+    
+
+    jobs.quassel =
+      { description = "Quassel IRC client daemon";
+
+        startOn = "ip-up";
+
+        preStart = ''
+            mkdir -p ${cfg.dataDir}
+            chown ${cfg.user} ${cfg.dataDir}
+            touch ${cfg.logFile} && chown ${cfg.user} ${cfg.logFile}
+        '';
+
+        exec = ''
+            ${pkgs.su}/bin/su -s ${pkgs.stdenv.shell} ${cfg.user} \
+                -c '${quassel}/bin/quasselcore --listen=${cfg.interface}\
+                    --port=${toString cfg.portNumber} --configdir=${cfg.dataDir} --logfile=${cfg.logFile}'
+        '';
+      };
+
+    environment.systemPackages = [ quassel ];
+
+  };
+  
+}
diff --git a/modules/services/networking/sabnzbd.nix b/modules/services/networking/sabnzbd.nix
new file mode 100644
index 000000000000..7f87343cbb95
--- /dev/null
+++ b/modules/services/networking/sabnzbd.nix
@@ -0,0 +1,52 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let 
+
+  cfg = config.services.sabnzbd;
+  inherit (pkgs) sabnzbd;
+
+in
+
+{
+
+  ###### interface
+
+  options = {
+    services.sabnzbd = {
+      enable = mkOption {
+        default = false;
+        description = "Whether to enable the sabnzbd FTP server.";
+      };
+      configFile = mkOption {
+        default = "/var/sabnzbd/sabnzbd.ini";
+        description = "Path to config file. (You need to create this file yourself!)";
+      };
+    };
+  };
+  
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    users.extraUsers =
+      [ { name = "sabnzbd";
+          uid = config.ids.uids.sabnzbd;
+          description = "sabnzbd user";
+          home = "/homeless-shelter";
+        }
+      ];
+
+    jobs.sabnzbd =
+      { description = "sabnzbd server";
+
+        startOn = "network-interfaces/started";
+        stopOn = "network-interfaces/stop";
+
+        exec = "${sabnzbd}/bin/sabnzbd -d -f ${cfg.configFile}";
+      };
+
+  };
+}