cool thread...
I like primarily Rock, Punk, Ska, Techno, and Rap...
Rock: Creed, Metallica, Pearl Jam, Serial Joe, Tea Party, Deftones, Incubus, Rage Against the Machine, POD, Led Zeppelin, Jimi Hendrix, Dave Matthews Band
Punk/Ska: NOFX, MxPx, The Get Up Kids, Reel Big Fish, Supertones...