The GSM follow up to the Motorola Q, cleverly named the Q9, is rumored to be coming to AT&T in the summer months (the rumors I have heard are that it will come out in July). This new PDA will have 3G support with HSDPA, Windows Mobile 6, and 2 MP camera.

First looks:
InfoSyncWorld
Brighthand
Engadget
Official Motorola Site
BoyGeniusReport: Full Gallery