For questions truly specific to the "HTC Dream" device (also known as "T-Mobile G1" and "Era-G1").

HTC Dream, also marketed as the T-Mobile G1 (in the US) and Era-G1 (in Poland), was the first phone to market that used Android. It was first released in October 2008, featuring a hardware keyboard, 3.2" display with 320×480 pixel resolution, 528 MHz CPU, 128 MB RAM, and a 3.2 MPx Camera.

HTC Dream
HTC Dream (source: Wikipedia)