Praise be to the Circuit City's and Wal-Mart's of the world as Guitar Hero II for the Xbox 360 has arrived a few, scant days early on Mount Joystiq. What? You actually go to a game store to buy your games? You should probably stop doing that. After shredding it up like only nerds with tiny, plastic toy guitars can, we actually took a look at the instruction manual, curious as to any information regarding the mystery port found at the base of the X-Plorer.