Only thing I ever saw was Ozzfest in 2006 which contained: Ozzy Osbourne, System of a Down, Disturbed, Avenged Sevenfold, Hatebreed, Black Label Society, DragonForce, Unearth, The Red Chord, and All That Remanins, some others but those are the big ones. I also plan to go in Aughust 2007!