Didn't read the whole thread so just my list:
Gojira
Isis (wtf noone else listens to them?)
Mastodon
Tool
Opeth
Neurosis
Ulver
Disillusion (best Germand band ever. I like the studio version but the band isn't really popular
http://www.youtube.com/watch?v=IuYdczszZIg)
Mouth of the Architect
Neurosis
Metal?
Porcupine Tree
A Perfect Circle