Well... I'm fickle, and she's a cheating, lying bitch.
"It just works" stops working when you're talking tethering, and save the actual phone functions, that happens to be THE main reason I keep a phone around these days. Without tethering, I'm dead in the water.
So, I switched to the Google Nexus One. I can't even begin to describe my excitement over the unrealized innovativeness of this device. Maybe I'll recap some of that down the road.