Configs:

added more audio and video players
updated GNOME rules for GNOME3 (not sure if GNOME Shell is any better in terms of cgroups than gnome-panel, haven't tested that)
added UI rules for Pantheon Shell and Unity
added low-prio rules for BitTorrent clients
added high-prio rule for D-bus
added memory limit rules for GUI terminals with potentinally infinite scrollback
added high-prio rules for screencasters (can be used as a base for matching realtime video capture)

conf/simple.d/audio.conf

@@ -14,3 +14,8 @@ yauap                user.media
 ogg123               user.media
 cmus                 user.media
 lastfm               user.media
+beatbox              user.media
+noise                user.media
+aqualung             user.media
+audacious*           user.media
+guayadeque           user.media

conf/simple.d/bittorrent.conf

@@ -0,0 +1,22 @@
+# torrent clients, downloaders, all that stuff
+# TODO: find a way to do network scheduling
+#maybe Trickle will work for that...
+# I'm not completely sure what prio should I use for
+# such things... let them be daemons for now.
+
+# Multi-frontend
+transmission*                 daemon.bg
+deluge*                       daemon.bg
+# qbittorrent has Qt and command-line UIs
+qbittorrent*                  daemon.bg
+
+# GNOME/GTK
+flush                         daemon.bg
+gnome-btdownload              daemon.bg
+
+# KDE/Qt
+ktorrent                      daemon.bg
+
+# TODO: 
+#bittornado and vuze are missing,
+#because they use complicated name patterns.

conf/simple.d/dbus.conf

@@ -0,0 +1,6 @@
+# dbus-daemon powers interprocess communication, so it should be responsive.
+dbus-daemon                   user.bg_high  inherit=0
+
+#TODO:
+# Find out what do "dbus" processes do
+# Consider realtime privileges

conf/simple.d/gui-terminals.conf

@@ -0,0 +1,11 @@
+# GUI terminals
+
+# the problem about them is that when they're set to
+# infinite line width, they may eat up all available RAM.
+
+gnome-terminal                user.poison   reason=memory   inherit=0
+pantheon-terminal             user.poison   reason=memory   inherit=0
+konsole                       user.poison   reason=memory   inherit=0
+yakuake                       user.poison   reason=memory   inherit=0
+evilvte                       user.poison   reason=memory   inherit=0
+guake                         user.poison   reason=memory   inherit=0

conf/simple.d/pantheon.conf

@@ -0,0 +1,5 @@
+# Pantheon Shell
+
+plank                         user.ui
+wingpanel                     user.ui
+slingshot                     user.ui

conf/simple.d/screencasters.conf

@@ -0,0 +1,6 @@
+# screencasters
+
+kazam                         user.bg_high
+eidete                        user.bg_high
+cmd:ffmpeg*x11grab*           user.bg_high
+cmd:avconv*x11grab*           user.bg_high

conf/simple.d/ubuntu.conf

@@ -0,0 +1,14 @@
+# Ubuntu-specific stuff
+
+# This file is created for elementary OS
+# and incorporates rules useful for ubuntu
+# and its derivatives
+
+# aptdaemon is a notorious background resource hog
+aptd                          daemon.bg
+
+# makes LiveUSBs, usually lengthy process
+usb-creator-*                 user.idle
+
+# ubuntu's notification system
+notify-osd                    user.ui

conf/simple.d/unity.conf

@@ -0,0 +1,7 @@
+# Unity
+
+unity-panel-service           user.ui
+unity-2d-*                    user.ui
+unity-window-decorator        user.ui
+cmd:*/usr/lib/unity-lens-*    user.ui
+cmd:*/usr/lib/unity-scope-*   user.ui

conf/simple.d/video.conf

@@ -11,3 +11,5 @@ totem                         user.media
 kplayer                       user.media
 kmplayer                      user.media
 kaffeine                      user.media
+audience                      user.media
+xnoise                        user.media

rules/gnome.lua

@@ -8,7 +8,7 @@
 
 GnomeUI = {
   name = "GnomeUI",
-  re_basename = "metacity|compiz|gnome-panel|gtk-window-decorator|nautilus",
+  re_basename = "metacity|mutter|compiz|gtk-window-decorator|gnome-panel|gnome-shell|nautilus",
   --re_basename = "metacity",
   check = function(self, proc)
     local flag = ulatency.new_flag("user.ui")