As part of a keynote speech at Goldman Sachs Communacopia XV Conference, Activision CEO Robert Kotick revealed that Guitar Hero will be coming to multiple formats.
Although details have not yet been forthcoming, Kotick revealed that Guitar Hero will be “on every significant new format,” in the future. Also mentioned were plans for yearly releases and other franchise expansions. Rumors have indicated a 360 version may be forthcoming in early 2007, but no official announcements have been made.
Source: Eurogamer