VZW has disabled the GPS on the 8830 they're offering.

And BES connectivity won't be an issue, on wifi it hooks up to your carrier to simulate traffic going through them. Even so all BES to blackberry communication is handled by their routers that the BES server stays connected to 24/7, all you need is an internet connection to get to that BB router and the handheld would have that access on the wifi side.

I am very anxious for this and hope that even if it does come out for AT&T first, that it can be unlocked AND still use the UMA services with T-Mo's @Home offering.