I tried to install unstable with kde. However kde aborts when a user tries to log on, with these errors:
kdecore (KLibLoader): WARNING: KLibrary: /usr/lib/libkdecore.so.3: undefined symbol: init_spellchecking kdecore (KLibLoader): WARNING: KLibrary: /usr/lib/libkdecore.so.3: undefined symbol: init_audiocd kdeinit: Fatal IO error: client killed etc. And the user is thrown out :-( Looks like a showstopper for me... dpkg -s kdelibs3 says version: 4:2.2.0-final-3