Thank you to the OP and all the responses, this is some nice info. It also lead me to this little tidbit, for you mac users still considering Scrivener: The developer, Literature and Latte, is offering an extended trial and discount for NaNoWriMo participants.
More info.
I haven't actually decided if I will leave Bean behind, but this would be a good opportunity to test the waters. Especially after someone mentioned losing data in Bean.
The Bandit