diff --git a/pkgs/applications/networking/browsers/opera/builder.sh b/pkgs/applications/networking/browsers/opera/builder.sh
deleted file mode 100644
index de4a413e4ac8..000000000000
--- a/pkgs/applications/networking/browsers/opera/builder.sh
+++ /dev/null
@@ -1,39 +0,0 @@
-source $stdenv/setup
-
-buildPhase() {
-    true
-}
-
-installPhase() {
-    substituteInPlace install --replace /bin/pwd pwd
-    substituteInPlace install --replace /usr/local "$out"
-    
-    # Note: the "no" is because the install scripts asks whether we
-    # want to install icons in some system-wide directories.
-    
-    ensureDir "$out"
-
-    ./install --text --system
-
-    [ -z ${system##*64*} ] && suf=64
-
-    find $out -type f | while read f; do
-      echo testing "$f"
-      # patch all executables
-      if readelf -h "$f" | grep 'EXEC (Executable file)' &> /dev/null; then
-        echo "patching $f <<"
-        patchelf \
-            --set-interpreter "$(cat $NIX_GCC/nix-support/dynamic-linker)" \
-            --set-rpath "$libPath" \
-            "$f"
-      fi
-    done
-    
-    # Substitute pwd as late as possible so that the md5 checksum check of opera passes.
-    substituteInPlace $out/bin/opera --replace /bin/pwd pwd
-
-    ensureDir $out/share/applications
-    cp $desktopItem/share/applications/* $out/share/applications
-}
-
-genericBuild
diff --git a/pkgs/applications/networking/browsers/opera/default.nix b/pkgs/applications/networking/browsers/opera/default.nix
index 8b7ef628044f..3dddc8569637 100644
--- a/pkgs/applications/networking/browsers/opera/default.nix
+++ b/pkgs/applications/networking/browsers/opera/default.nix
@@ -1,46 +1,81 @@
-{ stdenv, fetchurl, qt, zlib, libX11, libXext, libSM, libICE, libXt, glibc
-, makeDesktopItem, freetype, fontconfig, libXft, libXrender
+{ stdenv, fetchurl, zlib, libX11, libXext, libSM, libICE, libXt
+, freetype, fontconfig, libXft, libXrender, libxcb, expat, libXau, libXdmcp
+, libuuid, cups, xz
+, gstreamer, gstPluginsBase, libxml2
+, gtkSupport ? true, glib, gtk, pango, gdk_pixbuf, cairo, atk
+, kdeSupport ? false, qt4, kdelibs
 }:
 
-assert stdenv.isLinux && stdenv.gcc.gcc != null;
+assert stdenv.isLinux && stdenv.gcc.gcc != null && stdenv.gcc.libc != null;
+
+let
+  mirror = ftp://ftp.ussg.iu.edu/pub/opera;
+in
 
 stdenv.mkDerivation rec {
-  name = "opera-10.63";
+  name = "opera-11.51-1087";
 
-  builder = ./builder.sh;
+  buildNativeInputs = [ xz ];
   
   src =
     if stdenv.system == "i686-linux" then
       fetchurl {
-        url = "http://mirror.liteserver.nl/pub/opera/linux/1063/opera-10.63-6450.i386.linux.tar.bz2";
-        sha256 = "dd105d602a4b8897749a4cb9610f8bfe2d07d4f4cc9bf3905930c65592737259";
+        url = "${mirror}/linux/1151/${name}.i386.linux.tar.bz2";
+        sha256 = "1baaim404g8nwd7knbl1p1ardpx36ib5159nkvqfnnavfyhkinp2";
       }
     else if stdenv.system == "x86_64-linux" then
       fetchurl {
-        url = "http://mirror.liteserver.nl/pub/opera/linux/1063/opera-10.63-6450.x86_64.linux.tar.bz2";
-        sha256 = "da8ae14cf317364ab0295102220246b205bf30c59c00cadb571395c90dda7c74";
+        url = "${mirror}/linux/1151/${name}.x86_64.linux.tar.xz";
+        sha256 = "1bciqyfhhdywaasj717by1a975ywf672r3pv9cw9bn0b90pgp933";
       }
     else throw "Opera is not supported on ${stdenv.system} (only i686-linux and x86_64 linux are supported)";
 
   dontStrip = 1;
-  
-  # `operapluginwrapper' requires libXt. Adding it makes startup faster
-  # and omits error messages (on x86).
-  libPath =
-    let list = [ stdenv.gcc.gcc glibc qt zlib libX11 libXt libXext libSM libICE libXft freetype fontconfig
-       libXrender];
-    in stdenv.lib.makeLibraryPath list
-        + ":" + (if stdenv.system == "x86_64-linux" then stdenv.lib.makeSearchPath "lib64" list else "");
 
-  desktopItem = makeDesktopItem {
-    name = "Opera";
-    exec = "opera";
-    icon = "opera";
-    comment = "Opera Web Browser";
-    desktopName = "Opera";
-    genericName = "Web Browser";
-    categories = "Application;Network;";
-  };
+  phases = "unpackPhase installPhase fixupPhase";
+
+  installPhase = ''
+    ./install --unattended --prefix $out
+    '';
+
+  buildInputs =
+    [ stdenv.gcc.gcc stdenv.gcc.libc zlib libX11 libXt libXext libSM libICE
+      libXft freetype fontconfig libXrender libuuid expat
+      gstreamer libxml2 gstPluginsBase
+    ]
+    ++ stdenv.lib.optionals gtkSupport [ glib gtk pango gdk_pixbuf cairo atk ]
+    ++ stdenv.lib.optionals kdeSupport [ kdelibs qt4 ];
+
+  libPath = stdenv.lib.makeLibraryPath buildInputs
+    + stdenv.lib.optionalString (stdenv.system == "x86_64-linux")
+      (":" + stdenv.lib.makeSearchPath "lib64" buildInputs);
+
+  preFixup =
+    ''
+    find $out/lib/opera -type f | while read f; do
+      type=$(readelf -h "$f" 2>/dev/null | grep 'Type:' | sed -e 's/ *Type: *\([A-Z]*\) (.*/\1/')
+      if [ -z "$type" ]; then
+        :
+      elif [ $type == "EXEC" ]; then
+        echo "patching $f executable <<"
+        patchelf \
+            --set-interpreter "$(cat $NIX_GCC/nix-support/dynamic-linker)" \
+            --set-rpath "${libPath}" \
+            "$f"
+      elif [ $type == "DYN" ]; then
+        echo "patching $f library <<"
+        patchelf --set-rpath "${libPath}" "$f"
+      else
+        echo "Unknown type $type"
+        exit 1
+      fi
+    done
+    '';
+
+  postFixup = ''
+    oldRPATH=`patchelf --print-rpath $out/lib/opera/opera`
+    patchelf --set-rpath $oldRPATH:${cups}/lib $out/lib/opera/opera
+    '';
 
   meta = {
     homepage = http://www.opera.com;
diff --git a/pkgs/development/libraries/haskell/criterion/default.nix b/pkgs/development/libraries/haskell/criterion/default.nix
index 0a7f23a38acd..f567569a6f63 100644
--- a/pkgs/development/libraries/haskell/criterion/default.nix
+++ b/pkgs/development/libraries/haskell/criterion/default.nix
@@ -1,13 +1,13 @@
-{ cabal, deepseq, mtl, mwcRandom, parsec, statistics, time, vector
-, vectorAlgorithms
+{ cabal, aeson, deepseq, mtl, mwcRandom, parsec, statistics, time
+, vector, vectorAlgorithms
 }:
 
 cabal.mkDerivation (self: {
   pname = "criterion";
-  version = "0.5.0.10";
-  sha256 = "0sd289s7wnyg0p37j327hv55aw4a18bdv56z26v4qi3j8p2fbpbj";
+  version = "0.5.1.0";
+  sha256 = "0v43dm1d84zvn32q89dq0nh4dvqr4r6fjdzwcjac0mjics3iy29d";
   buildDepends = [
-    deepseq mtl mwcRandom parsec statistics time vector
+    aeson deepseq mtl mwcRandom parsec statistics time vector
     vectorAlgorithms
   ];
   meta = {
diff --git a/pkgs/development/libraries/haskell/happstack/happstack-util.nix b/pkgs/development/libraries/haskell/happstack/happstack-util.nix
index de4c1b9990c6..faeb174f2510 100644
--- a/pkgs/development/libraries/haskell/happstack/happstack-util.nix
+++ b/pkgs/development/libraries/haskell/happstack/happstack-util.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "happstack-util";
-  version = "6.0.0";
-  sha256 = "06qla74kb58q0rvlfa9k16s4crnylq99hm80xx4phlddyzn0cy4z";
+  version = "6.0.2";
+  sha256 = "03qlnclpg72iflry1xlkd0sxqm6nybvx113la9r0cmsnz17y546a";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [
diff --git a/pkgs/development/libraries/icu/default.nix b/pkgs/development/libraries/icu/default.nix
index c15bbe2491c3..0474b79a8479 100644
--- a/pkgs/development/libraries/icu/default.nix
+++ b/pkgs/development/libraries/icu/default.nix
@@ -2,7 +2,7 @@
 
 let
   pname = "icu4c";
-  version = "4.6";
+  version = "4.8.1";
 in
 
 stdenv.mkDerivation {
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   src = fetchurl {
     url = "http://download.icu-project.org/files/${pname}/${version}/${pname}-"
       + (stdenv.lib.replaceChars ["."] ["_"] version) + "-src.tgz";
-    sha256 = "1z6zklqdf6pq7fckk8ar4vmfrnw79bih6yc8gwc7k2vx2alav8dm";
+    sha256 = "13zq190gl54zr84f0k48w9knarjsb966jkailyy06yhqjipcv90r";
   };
 
   postUnpack = "
diff --git a/pkgs/development/tools/haskell/hlint/default.nix b/pkgs/development/tools/haskell/hlint/default.nix
index da117157f223..be66cfc06802 100644
--- a/pkgs/development/tools/haskell/hlint/default.nix
+++ b/pkgs/development/tools/haskell/hlint/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "hlint";
-  version = "1.8.15";
-  sha256 = "1hi2qapi8lb7cawjzvpknp8qvsnfw3glxyyd5m2lbp3rvkx0d6kr";
+  version = "1.8.16";
+  sha256 = "0crahq7fvhf0qvjcpjnmv5yh29l52cv7rgfwrc6ka4q0dm9r49vb";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b32b7f90a90d..d38892e23a28 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7069,7 +7069,9 @@ let
   };
 
   opera = callPackage ../applications/networking/browsers/opera {
-    qt = qt3;
+    inherit (pkgs.gtkLibs) gdk_pixbuf atk;
+    inherit (pkgs.kde4) kdelibs;
+    inherit (pkgs.gst_all) gstreamer gstPluginsBase;
   };
 
   pan = callPackage ../applications/networking/newsreaders/pan {