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!"
He means like way back when iTunes 7 came out (I think 7 anyway) it mentioned syncing with a "Apple TV" and had referrences to a phone but noone knew why and from that we speulated that it was for some new devices apple was making and it turned out to be true.