JJ, lot's of little things nice about the 8830, but I found a bunch of little bugs. The main reasons I went back:
AWESOME keyboard on 8830
AMAZING extended battery from seidio
and overall, just a more stable phone.

I did like the trackball. I found it's easier to press than the scrollwheel because your hand is always behind the phone to push against, but your hand isn't always on the opposite side of the phone from the scrollwheel when you need to press it in, making it awkward sometimes. So, that's the only thing I found myself missing at all. Otherwise, I'm thinking I'm with this phone until there's a vzw curve available with an extended battery.