Well, as I've got my hands on Sims Castaway Stories for both PC and PSP, I've checked the date for Sims2: Free Time, which still remains for February.
Checking this led to a new discovery:
The Sims 2: Kitchen & Bath Interior Design Stuff
This stuff pack is announced for April in US. As you can all see, EA wants as with the harddrives full of various Sims until they release The Sims 3