Be careful when you are feeling like doing an apt-get upgrade today.
My whole KDE menu at work went missing after doing an upgrade… LOL!
This bug has been reported: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=323747
The buggy version is 3.4.2-1 so for now, downgrade to 3.3.2-6.1 🙂