Come on, this isn't much of a transformation. This powered USB gadget is in the shape of Optimus Prime's severed head, and the ears (or whatever) swing out to reveal the speakers within.
There should also be a version in the shape of something called "Ultra Magnus," which we're going to assume is another Transformer, and is available for pre-order now. It'll sell for $US50 when it arrives sometime later this month. [BigBadToyStore via Chip Chick]