It's coming to both the Pre and Pixi in February, over software update. No new hardware is required. It also has an upload-to-YouTube feature.
With WebOS starting to shine and Android shining as well and a great choice of phones on Verizon I think Apple needs to ditch AT&T and get on alternate carriers. The iPhones edge is quickly slipping to minor details and leaving the major one more important. The network. Ask any iPhone owner if they could be on any other network besides AT&T and I would say most would jump ship with their phone if given the option.