Here's a blown up screencap of the leader-sized black bot. But I still have no idea what the hell it is. Hopefully we'll get much improved pics soon.
It looks like Ironhide. Click the link and then hit Ctrl and + to zoom in the Youtube video and make things easier to see. YouTube - Toy Fair Preview | Hasbro | Elmo Let's Rock | Star Wars: Clone Wars | Transformers | Battleship Live I spotted: Leader Class Sentinel Prime Leader Class Ironhide Deluxe: Ratchet Starscream Wrecker Blue Wrecker Green Sideswipe Possibly a packaged sample of Deluxe class Mudflap over the man's shoulder. Voyager Optimus Prime packaged Ultimate Optimus Prime (obviously) Human Alliance BumbleBee
I'm tempted to say Ironhide, too, because of the wheels clearly visible and the amount of heat he's packing.
It all starts in 15 minutes... while I'm not interested in the HA Basics, I have to say the engineering is amazing. Now I shall wait in anticipation of the awesomeness that is Toy Fair 2011.