Personally, I've been occasionally watching the efforts to put Android on the HTC HD2 (WinMo 6.5, left behind for 7). Seems to be going well, with reasonable ba

Personally, I've been occasionally watching the efforts to put Android on the HTC HD2 (WinMo 6.5, left behind for 7). Seems to be going well, with reasonable battery life, etc. although not "over the air" install. Look up the XDA developers forums.