The scariest looking peripheral at CES 2011? Possibly. But for those looking to gain a split-second edge on the competition, the N-Control Avenger just may be the solution Xbox 360 gamers have been looking for. Announced just a couple of months ago, the company was here in Las Vegas to actually demonstrate a fully functional model. But simply, it straps onto your first-party 360 controller, adding triggers, straps, cables and all sorts of other contraptions that aim to give you improved alternatives to pressing buttons (while freeing your thumbs up to more accurately