In KDE4, the file which stores all the preferences is:
~/.kde4/share/config/kickoffrc
On OpenSuSE 10.3/11 which uses the KDE4 Start menu, the file is at:
~/.kde/share/config/kickerrc
Today is: 6 September, 2010
kde
Updating the "Favorites" in the KDE4 Start Menu (Kickoff)
