Mars Volta sucks balls. Bought their 1st cd...crap. I think that they spent 10 minutes kicking the shit out of the amp heads...I could totally hear the spring reverbs warbling after the impacts.
Bands I do like: Mastodon, Isis, Between the Buried and Me, OSI, Blind Melon, Nuno Bettencourt, Opeth, Dream Theater, Baroness, NiN, Tool, Epica, High on Fire, Genesis, Red Hot Chili Peppers, Jane's Addiction, Porcupine Tree,
Primus, Reverend Horton Heat, Unified Theory, Rush, Yes, Nightwish, Kamelot, Megadeth, Metallica, ZZ Top, Porno for Pyros, Faith No More, Gojira, Symphony X, Wilco and Bob Marley (everyone needs a little reggae in their lives)