Not much info for now. Activision has launched a website for this new game to come, but all it has is a sendlist for future news about the game. we know it will be on Xbox 360, PS3 and the Wii. It is said to be develloped by "7Studios", and there are many rumors about names of people featuring in the game : Daft Punk, DJ Shadow, Kanye West, Beastie Boys... nothing confirmed yet.
the image is what the controller (or at least a part of it) should look like.
rumors from Kotaku