Activision has released a new trailer from Guitar Hero III: Legends of Rock, showcasing the latest installment of the series developed for PS2, PS3, Xbox 360 and Wii. The game features a new multiplayer action-inspired battle mode, new boss battles, and lots of unlockable content. Gibson Guitar's Les Paul model is bundled with the PS3, X360 and Wii versions of the game, while the Kramer model is available to those purchasing the PS2 version.