Although we managed to get our mitts on the Wii U and updated GamePad here at E3 following Nintendo's keynote, the recently unveiled Pro Controller turned out to be harder to find. We were thankfully able to visit the company's amusement park massive booth on the show floor where we discovered the wireless peripheral, along with a GamePad, tethered to a demo of the upcoming Rayman Legends. Join us past the break for our initial impressions