I´ve been listening alot to
Death - The Sound Of Perseverence, Individual Thought Patterns
Isis - Oceanic
Deicide - Once Upon The Cross
Opeth - Ghost Reveries
Agalloch - The Mantle
Ulver - Kveldssanger
Dream Theater - Octavarium
Nile - In Their Darkened Shrines
Annihilator - Never, Neverland
Carcass - Heartwork
Pig Destroyer - Terrifyer
Atheist - Piece Of Time
Emperor - IX Equilibrium
This is my shortlist for now because I cannot pin point anything but Death and Opeth.