Joystiq's Guitar Hero/Rock Band guitar compatibility matrix v2

In the wild and wacky world of rhythm game peripheral, it can be quite a frustration figuring out what guitars work with what games (beyond their intended use of course). To make things easier on axe-mortals, Joystiq has further broadened their Guitar Hero / Rock Band guitar compatibility matrix to include all the new games. Need to know the perfect guitar to buy for any certain number of games? Head on over to Joystiq then to get your answer.