Stoner, stoner-doom, and sludge:
500 Ft. of Pipe
the Atomic Bitchwax
Bedemon
Brant Bjork
Che
Clutch
Dozer
Eternal Elysium (Electric Wizard meets Boris, IMO)
Fireball Ministry
Firebird
Goatsnake
Halfway to Gone
Hermano
Orange Goblin
Pentagram
Place of Skulls
Sasquatch
Slo Burn
Spirit Caravan
Supafuzz
Truckfighters
Unida