I get the crashes while exiting too... fortuneately.. I only exit every so often (20-30 hours)
I can believe that lol
Other little niggles I've found are
Shadows sometimes are projected onto several floors, so for example if someone is upstairs you can see their shadow on the dowstairs floor as if there was no upper floor/ceiling in place.
The quest to retrieve a book from a drawer in the magician's guild...
I retrieved the book but the quest initiator didn't recognise I had completed the quest until I went back upstairs and stole the blank parchment out of the drawer too...maybe I wasn't paying attention to what he said?