We're not professional musicians by a long shot, but when we do get a chance to break away from the relentless torrent of cellphones and tablets, nothing quite hits the spot like a little music appreciation. Of course, when done Engadget-style this usually means a gadget of some sort -- and we'd be lying if we didn't say that Novation's newest didn't whet our appetites for some after-hours beatmatching. Twitch is essentially a full-figured DJ controller, but instead of some sort of round jog wheel (which the current reviewer has always found to be extremely counter-intuitive) the company added a touch strip, which can be used for everything from find
