Logitech G13 Gameboard: DJ???
Found this cool little device, used by most to play RPGs like WoW. But your hand sits comfortably on it and the buttons, its compact, and it has a joystick. Seems like it would be a cool little device to convert to MIDI and play around with.
http://www.newegg.com/Product/Product.aspx?Item=N82E16823126050