diff --git a/pkgs/desktops/kde-4.3/base-runtime/default.nix b/pkgs/desktops/kde-4.3/base-runtime/default.nix
index 3c0200f2168..8fde75ead27 100644
--- a/pkgs/desktops/kde-4.3/base-runtime/default.nix
+++ b/pkgs/desktops/kde-4.3/base-runtime/default.nix
@@ -1,14 +1,21 @@
-{stdenv, fetchurl, cmake, perl, bzip2, qt4, alsaLib, xineLib, samba, kdelibs,
- automoc4, phonon, strigi, soprano, cluceneCore}:
+{ stdenv, fetchurl, lib, cmake, perl, bzip2, xz, qt4, alsaLib, xineLib, samba, shared_mime_info
+, kdelibs, automoc4, phonon, strigi, soprano, cluceneCore}:
 
 stdenv.mkDerivation {
-  name = "kdebase-runtime-4.2.4";
+  name = "kdebase-runtime-4.3.1";
   src = fetchurl {
-    url = mirror://kde/stable/4.2.4/src/kdebase-runtime-4.2.4.tar.bz2;
-    sha1 = "dd829270b5fb21e4c24db5e7d16db6e99fe51c1d";
+    url = mirror://kde/stable/4.3.1/src/kdebase-runtime-4.3.1.tar.bz2;
+    sha1 = "4cb7a4ed093bacf01d5ecff1cbc60a8934dea59c";
   };
 /*  CLUCENE_HOME=cluceneCore;*/
   includeAllQtDirs=true;
-  buildInputs = [ cmake perl bzip2 qt4 alsaLib xineLib samba stdenv.gcc.libc kdelibs
-                  automoc4 phonon strigi soprano cluceneCore ];
+  buildInputs = [ cmake perl bzip2 xz qt4 alsaLib xineLib samba stdenv.gcc.libc shared_mime_info
+                  kdelibs automoc4 phonon strigi soprano cluceneCore ];
+  meta = {
+    description = "KDE runtime";
+    longDescription = "Libraries and tools which supports running KDE desktop applications";
+    license = "LGPL";
+    homepage = http://www.kde.org;
+    maintainers = [ lib.maintainers.sander ];
+  };
 }
diff --git a/pkgs/desktops/kde-4.3/base-workspace/builder.sh b/pkgs/desktops/kde-4.3/base-workspace/builder.sh
new file mode 100644
index 00000000000..97aba633c56
--- /dev/null
+++ b/pkgs/desktops/kde-4.3/base-workspace/builder.sh
@@ -0,0 +1,11 @@
+source $stdenv/setup
+
+myPatchPhase()
+{
+    for i in plasma/applets/systemtray/CMakeLists.txt plasma/applets/systemtray/notificationitemwatcher/CMakeLists.txt
+    do
+        sed -i -e "s|\${KDE4_DBUS_INTERFACES_DIR}|$kdelibs_experimental/share/dbus-1|" $i
+    done
+}
+patchPhase=myPatchPhase
+genericBuild
diff --git a/pkgs/desktops/kde-4.3/base-workspace/default.nix b/pkgs/desktops/kde-4.3/base-workspace/default.nix
index 19fd20823f1..464e72cf1df 100644
--- a/pkgs/desktops/kde-4.3/base-workspace/default.nix
+++ b/pkgs/desktops/kde-4.3/base-workspace/default.nix
@@ -1,18 +1,27 @@
-{stdenv, fetchurl, cmake, perl, python, pam, ConsoleKit,
- qt4, sip, pyqt4, kdelibs, kdepimlibs, kdebindings,
- libXi, libXau, libXdmcp, libXtst, libXcomposite, libXdamage, libXScrnSaver,
- lm_sensors, libxklavier, libusb, pthread_stubs, boost,
- automoc4, phonon, strigi, soprano, qimageblitz}:
+{ stdenv, fetchurl, lib, cmake, perl, python, pam, ConsoleKit
+, qt4, sip, pyqt4, kdelibs, kdelibs_experimental, kdepimlibs, kdebindings
+, libXi, libXau, libXdmcp, libXtst, libXcomposite, libXdamage, libXScrnSaver
+, lm_sensors, libxklavier, libusb, pthread_stubs, boost
+, automoc4, phonon, strigi, soprano, qimageblitz, akonadi
+}:
 
 stdenv.mkDerivation {
-  name = "kdebase-workspace-4.2.4";
+  name = "kdebase-workspace-4.3.1";
   src = fetchurl {
-    url = mirror://kde/stable/4.2.4/src/kdebase-workspace-4.2.4.tar.bz2;
-    sha1 = "31f38436736ff73b6ffb9d8bbb93b8342965e894";
+    url = mirror://kde/stable/4.3.1/src/kdebase-workspace-4.3.1.tar.bz2;
+    sha1 = "c21a6e8028aa993878cccccb26b2611b3337eac9";
   };
   includeAllQtDirs=true;
   CMAKE_PREFIX_PATH=kdepimlibs;
-  buildInputs = [ cmake perl python qt4 pam /*ConsoleKit sip pyqt4*/ kdelibs kdepimlibs /*kdebindings*/ pthread_stubs boost libusb stdenv.gcc.libc
+  inherit kdelibs_experimental;
+  builder = ./builder.sh;
+  buildInputs = [ cmake perl python qt4 pam /*ConsoleKit sip pyqt4*/ kdelibs kdelibs_experimental kdepimlibs /*kdebindings*/ pthread_stubs boost libusb stdenv.gcc.libc
                   libXi libXau libXdmcp libXtst libXcomposite libXdamage libXScrnSaver
-                  lm_sensors libxklavier automoc4 phonon strigi soprano qimageblitz ];
+                  lm_sensors libxklavier automoc4 phonon strigi soprano qimageblitz akonadi ];
+  meta = {
+    description = "KDE Workspace";
+    longDescription = "KDE base components that are only required to work with X11 such KDM and KWin";
+    license = "GPL";
+    maintainers = [ lib.maintainers.sander ];
+  };
 }
diff --git a/pkgs/desktops/kde-4.3/base/default.nix b/pkgs/desktops/kde-4.3/base/default.nix
index b608667e06d..ef201faec45 100644
--- a/pkgs/desktops/kde-4.3/base/default.nix
+++ b/pkgs/desktops/kde-4.3/base/default.nix
@@ -1,13 +1,21 @@
-{stdenv, fetchurl, cmake, perl, qt4, kdelibs, pciutils, libraw1394,
- automoc4, phonon, strigi, qimageblitz, soprano}:
+{ stdenv, fetchurl, lib, cmake, perl, qt4, kdelibs, pciutils, libraw1394
+, kdebase_workspace
+, automoc4, phonon, strigi, qimageblitz, soprano}:
 
 stdenv.mkDerivation {
-  name = "kdebase-4.2.4";
+  name = "kdebase-4.3.1";
   src = fetchurl {
-    url = mirror://kde/stable/4.2.4/src/kdebase-4.2.4.tar.bz2;
-    sha1 = "c08188baa90a5075f18a75640c4dc3e6dc69daa0";
+    url = mirror://kde/stable/4.3.1/src/kdebase-4.3.1.tar.bz2;
+    sha1 = "005681277615a0a3ec737bdd07989763fa1ae781";
   };
   includeAllQtDirs=true;
   buildInputs = [ cmake perl qt4 kdelibs pciutils stdenv.gcc.libc libraw1394
-                  automoc4 phonon strigi qimageblitz soprano ];
+                  kdebase_workspace automoc4 phonon strigi qimageblitz soprano ];
+  meta = {
+    description = "KDE Base components";
+    longDescription = "Applications that form the KDE desktop, like Plasma, System Settings, Konqueror, Dolphin, Kate, and Konsole";
+    license = "GPL";
+    homepage = http://www.kde.org;
+    maintainers = [ lib.maintainers.sander ];
+  };
 }
diff --git a/pkgs/desktops/kde-4.3/default.nix b/pkgs/desktops/kde-4.3/default.nix
index aab3524fbee..37a5887a90f 100644
--- a/pkgs/desktops/kde-4.3/default.nix
+++ b/pkgs/desktops/kde-4.3/default.nix
@@ -47,29 +47,34 @@ rec {
   
 ### LIBS
   kdelibs = import ./libs {
-    inherit (pkgs) stdenv fetchurl cmake qt4 perl bzip2 pcre fam libxml2 libxslt;
-    inherit (pkgs) giflib jasper openexr aspell avahi shared_mime_info;
+    inherit (pkgs) stdenv fetchurl lib cmake qt4 perl bzip2 pcre fam libxml2 libxslt;
+    inherit (pkgs) xz flex bison giflib jasper openexr aspell avahi shared_mime_info;
     inherit automoc4 phonon strigi soprano;
   };
 
+  kdelibs_experimental = import ./libs-experimental {
+    inherit (pkgs) stdenv fetchurl lib cmake qt4 perl;
+    inherit automoc4 kdelibs phonon;
+  };
+  
 ### BASE  
   kdebase_workspace = import ./base-workspace {
-    inherit (pkgs) stdenv fetchurl cmake qt4 perl python pam sip pyqt4;
+    inherit (pkgs) stdenv fetchurl lib cmake qt4 perl python pam sip pyqt4;
     inherit (pkgs) lm_sensors libxklavier libusb pthread_stubs boost ConsoleKit;
     inherit (pkgs.xlibs) libXi libXau libXdmcp libXtst libXcomposite libXdamage libXScrnSaver;
-    inherit kdelibs kdepimlibs kdebindings;
-    inherit automoc4 phonon strigi soprano qimageblitz;
+    inherit kdelibs kdelibs_experimental kdepimlibs kdebindings;
+    inherit automoc4 phonon strigi soprano qimageblitz akonadi;
   };
   
   kdebase = import ./base {
-    inherit (pkgs) stdenv fetchurl cmake perl qt4 pciutils libraw1394;
-    inherit kdelibs;
+    inherit (pkgs) stdenv fetchurl lib cmake perl qt4 pciutils libraw1394;
+    inherit kdelibs kdebase_workspace;
     inherit automoc4 phonon strigi qimageblitz soprano;
   };
   
   kdebase_runtime = import ./base-runtime {
-    inherit (pkgs) stdenv fetchurl cmake perl bzip2 qt4;
-    inherit (pkgs) xineLib alsaLib samba cluceneCore;
+    inherit (pkgs) stdenv fetchurl cmake lib perl bzip2 xz qt4;
+    inherit (pkgs) shared_mime_info xineLib alsaLib samba cluceneCore;
     inherit kdelibs;
     inherit automoc4 phonon strigi soprano;
   };
@@ -77,7 +82,8 @@ rec {
 ### ADDITIONAL
 
   kdepimlibs = import ./pimlibs {
-    inherit (pkgs) stdenv fetchurl cmake qt4 perl boost cyrus_sasl gpgme libical openldap;
+    inherit (pkgs) stdenv fetchurl lib cmake qt4 perl boost cyrus_sasl gpgme;
+    inherit (pkgs) libical openldap shared_mime_info;
     inherit kdelibs;
     inherit automoc4 phonon akonadi;
   };
diff --git a/pkgs/desktops/kde-4.3/libs-experimental/builder.sh b/pkgs/desktops/kde-4.3/libs-experimental/builder.sh
new file mode 100644
index 00000000000..a96733cde78
--- /dev/null
+++ b/pkgs/desktops/kde-4.3/libs-experimental/builder.sh
@@ -0,0 +1,8 @@
+source $stdenv/setup
+
+myPatchPhase()
+{
+    sed -i -e "s|\${KDE4_DBUS_INTERFACES_DIR}|$out/share/dbus-1|" knotificationitem/CMakeLists.txt
+}
+patchPhase=myPatchPhase
+genericBuild
diff --git a/pkgs/desktops/kde-4.3/libs-experimental/default.nix b/pkgs/desktops/kde-4.3/libs-experimental/default.nix
new file mode 100644
index 00000000000..2d02a197db0
--- /dev/null
+++ b/pkgs/desktops/kde-4.3/libs-experimental/default.nix
@@ -0,0 +1,18 @@
+{stdenv, fetchurl, lib, cmake, qt4, perl, automoc4, kdelibs, phonon}:
+
+stdenv.mkDerivation {
+  name = "kdelibs-experimental-4.3.1";
+  src = fetchurl {
+    url = mirror://kde/stable/4.3.1/src/kdelibs-experimental-4.3.1.tar.bz2;
+    sha1 = "7d560817a186c4b7099d321ee4a58705962a59d3";
+  };
+  builder = ./builder.sh;
+  buildInputs = [ cmake qt4 perl automoc4 kdelibs phonon ];
+  includeAllQtDirs=true;
+  meta = {
+    description = "KDE experimental library";
+    license = "LGPL";
+    homepage = http://www.kde.org;
+    maintainers = [ lib.maintainers.sander ];
+  };
+}
diff --git a/pkgs/desktops/kde-4.3/libs/default.nix b/pkgs/desktops/kde-4.3/libs/default.nix
index 1837f3a32cd..49b9e43a9e8 100644
--- a/pkgs/desktops/kde-4.3/libs/default.nix
+++ b/pkgs/desktops/kde-4.3/libs/default.nix
@@ -1,22 +1,29 @@
-{ stdenv, fetchurl, cmake, perl
+{ stdenv, fetchurl, cmake, lib, perl
 , qt4, bzip2, pcre, fam, libxml2, libxslt, shared_mime_info, giflib, jasper
-, openexr, aspell, avahi
+, xz, flex, bison, openexr, aspell, avahi
 , automoc4, phonon, strigi, soprano
 }:
 
 stdenv.mkDerivation {
-  name = "kdelibs-4.2.4";
+  name = "kdelibs-4.3.1";
   
   src = fetchurl {
-    url = mirror://kde/stable/4.2.4/src/kdelibs-4.2.4.tar.bz2;
-    sha1 = "259947ede89daec94475a811a41ae7474bc4fd17";
+    url = mirror://kde/stable/4.3.1/src/kdelibs-4.3.1.tar.bz2;
+    sha1 = "511532852caca9302c643fded4013ef1f57d5433";
   };
   
   includeAllQtDirs = true;
 
   buildInputs = [
-    cmake perl qt4 stdenv.gcc.libc bzip2 pcre fam libxml2 libxslt
+    cmake perl qt4 stdenv.gcc.libc xz flex bison bzip2 pcre fam libxml2 libxslt
     shared_mime_info giflib jasper /* openexr */ aspell avahi
     automoc4 phonon strigi soprano
   ];
+  
+  meta = {
+    description = "KDE libraries";
+    license = "LGPL";
+    homepage = http://www.kde.org;
+    maintainers = [ lib.maintainers.sander ];
+  };
 }
diff --git a/pkgs/desktops/kde-4.3/pimlibs/default.nix b/pkgs/desktops/kde-4.3/pimlibs/default.nix
index 38c72a18d0f..2960169bb05 100644
--- a/pkgs/desktops/kde-4.3/pimlibs/default.nix
+++ b/pkgs/desktops/kde-4.3/pimlibs/default.nix
@@ -1,13 +1,19 @@
-{stdenv, fetchurl, cmake, qt4, perl, boost, cyrus_sasl, gpgme, libical, openldap,
- kdelibs, automoc4, phonon, akonadi}:
+{ stdenv, fetchurl, lib, cmake, qt4, perl, boost, cyrus_sasl, gpgme, libical, openldap, shared_mime_info
+, kdelibs, automoc4, phonon, akonadi}:
 
 stdenv.mkDerivation {
-  name = "kdepimlibs-4.2.4";
+  name = "kdepimlibs-4.3.1";
   src = fetchurl {
-    url = mirror://kde/stable/4.2.4/src/kdepimlibs-4.2.4.tar.bz2;
-    sha1 = "1deb9298fe935ed1a53fad8e2a060fdc1c3e4ad8";
+    url = mirror://kde/stable/4.3.1/src/kdepimlibs-4.3.1.tar.bz2;
+    sha1 = "f4b04b21a6aa3accc530bc6c32cf0d820c611265";
   };
   includeAllQtDirs=true;
-  buildInputs = [ cmake qt4 perl boost cyrus_sasl gpgme stdenv.gcc.libc libical openldap
+  buildInputs = [ cmake qt4 perl boost cyrus_sasl gpgme stdenv.gcc.libc libical openldap shared_mime_info
                   kdelibs automoc4 phonon akonadi ];
+  meta = {
+    description = "KDE PIM libraries";
+    license = "LGPL";
+    homepage = http://www.kde.org;
+    maintainers = [ lib.maintainers.sander ];
+  };
 }