I didn't hear about this problem yet, and didn't buy Mac OS X 10.6 upgrade yet.

But before creating a new bug report, let's see if it's not an other problem.

What error do you get?
Do you have any piece of furniture icon marked with a red cross in the furniture list?
Did you succeed to create a new home and save it?
If yes, did you succeed to create a new home, copy all the items of an old home and paste them in the new home, and save the new home?