Judas Priest will probably take my AOTY pick, though I recognize some bias there. It's quite a nice top 20, though - Ulcerate, Sgaile, Necrophobic, Chapel of Disease, etc.
The Mars Volta At the Drive-In De Facto Kimono Kult ANTEMASQUE Omar Rodriguez Lopez El Grupo Nuevo De Omar Rodriguez Lopez El Trío De Omar Rodriguez Lopez Omar Rodriguez Lopez Quintet Omar Rodriguez Lopez Group Omar Rodriguez Lopez & John Frusciante Omar Rodriguez Lopez & Jeremy Michael Ward Omar Rodriguez Lopez & Lydia Lunch Vato Negro Bosnian Rainbows El-P