We knew it was coming by way of investor conference calls, but Activision finally made it official today: Guitar Hero IV, now titled Guitar Hero World Tour, will hit the PlayStation 3, PS2, Xbox 360, and Wii this fall. In addition to a retooled guitar controller and microphone, the title promises to deliver the âmost realistic drum experience ever in a video game,â with a drum kit that features three pads, two raised cymbals and a bass kick pedal. Furthermore, World Tour will include a myri