Considering that the rumor is that Grizz are going to go at Thibs, i don't think the team changes that much. The Grizz roster and Thibs style fit like crazy.
That will be such a boring team to watch. Memphis is already, but adding a control freak coach isn't going to make for a fun team to watch.
I can't see the Bulls letting him go unless they have decided to rebuild and they are looking to acquire a #1.