HTC has finally made the Desire HD and Desire Z official at their event in London today. The Desire HD is nothing but a GSM Version of the EVO 4G for Sprint and the Desire Z is the Global variant of the T-Mobile G2
The Desire HD packs a 4.3 inch display and 8 MP Camera and is powered by a 1GHz CPU and runs on Android 2.2
The Desire Z packs a full QWERTY keypad and a 8MP Camera
We are waiting for detailed specs of these devices and more info.
BTW these devices run a new version of HTC Sense UI