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!"
looks like the form factor will be a slider....look at the top right corner of the phone. It has the loop for a wrist strap there...when is the last flip phone you saw with that positioned anywhere but on the hinge. Probably a low end slider phone or the new kids chaperone phone. imo