Aspyr Media reveals it will be porting Activision's anticipated console rhythm action game, Guitar Hero III: Legends of Rock, for the PC and Mac platforms.  The Guitar Hero franchise will be rocking this way to both platforms with exclusive content including enhanced cross-platform online multiplayer game modes supporting global competition, and new unlockables.  Both versions will include over 70 licensed tracks and are scheduled for release this October, not too long after the console editions.  And yes, they will include USB Guitar Hero guitar peripherals.