is AT&T network possible on the Droid a855? Is it possible to use AT&amp;Ts network on the Droid a855? At all possible? Tough to find a direct answer on the web for some reason.

Thanks!
No, the Droid is a CDMA phone.  In general you can assume that phones on Verizon and Sprint won't work on AT&amp;T or T-Mobile, and vice-versa.