Surely you remember the You Rock Guitar from earlier this week. How could you forget, right? Well here on the CES show floor, we had the opportunity to rock out (gently, of course) with the lightweight, multitouch Guitar Hero / Rock Band controller -- which just so happens to be platform agnostic. It's got a plethora of settings and buttons, but it can actually double as a semi-legitimate guitar when plugged into an amp. For a music game peripheral, it's about as real as i
