Let the hive mind of Engadget get that for you.
"I just switched to Sprint from Verizon about three months ago for the Pre. Then I went for the Hero about a week ago. Now, I miss my hardware keyboard and am thinking about switching to the Moment. I am still able to switch back to Verizon if I want and get the Droid when it arrives. Should I just trade up to the Moment when it comes out, see if I like it, and if not switch to the Droid? Or something else entirely? Help!"
There are no additional resources with the merger/name change. Cingular/AT&T Mobility is staying very much the same. You need to realize that AT&T was bought by SBC, who owned 60% of Cingular. Nothing has really changed at the top. It's all smoke and mirrors (or rebrand). And no, Moto F'd the V3i, not Cingular.