In terms of specs, the Diamond2 is packing a Qualcomm 528MHz CPU with 512MB ROM and 288MB RAM. The screen is 3.2" and maxed-out WVGA resolution. It also packs FM Radio, aGPS, WiFi, a 5.0MP rear camera with autofocus and a VGA from camera for video calls. Powering everything is a 1100mAh battery. See PDAdb.net for even more specs.
HTC Touch Diamond2 in the House! Unboxing Video