Sticky settings seems to be things like icon positions in the main menu (even after unistalling/reinstalling apps)
At the end of the day, I have a problem with the GoogleTalk client (covered in another thread
Google Talk notificatioin icon missing, and despite wipes/reinstalls etc etc., the problem persists. A colleague with another identical BB on the same network doesn't have this problem, so I was thinking my device is in a 'funny state', though in all other respects it seems fine...
OS reload may be the only option. Seems drastic, though.