Too much deathcore, not enough doom/stoner/sludge/experimental/whatever.
Neurosis
rock / experimental / metal
http://www.myspace.com/officialneurosis
Pentagram
doom / metal / rock
http://www.myspace.com/brokenvows
High on Fire
doom / stoner / metal
http://www.myspace.com/highonfireslays
Torche (one of the heaviest bands on earth)
rock / rock / rock
http://www.myspace.com/torche
Electric Wizard
stoner / doom / metal
http://www.myspace.com/electricwizarddorsetdoom