[wovenhand]

And up-and-comers: Kongh
Most interesting band in the genre I've heard in a long time.
Debut album out in July on Trust No One (same label as Switchblade / Isis vinyl editions / etc)
http://www.myspace.com/kongh

 

[Patu]

I find Agalloch somewhat similar to Isis.

 

[duff138]

pick up Isis' "Celestial" too.