Deffinately Older Tool and OOLLLLDDDD Coal Chamber. Big Truck was so bad ass back in what? 99? Also love Fear Factory, their guitarist is just plain sick.
all I usually need to get pumped up is Duality by slipknot, or before I forget by slipknot. I listen to a lot of rock, but Slipknot just does it for me.
Dry kill logic, Hurt, Dope, Soil, Burn the priest, motograter, slipknot(earlier stuff), norma jean, mudvayne, eminem vs. disturbed - til i collapse. a few.
lamb of god, kill switch, children of bodem, arch enemy, a change of pace, 30 seconds to mars, as i lay dying, Atreyu, Avenged Sevenfold, Chiodos, from first to last