In the past year:

Amon Amarth - Versus the World
Anaal Nathrakh - Domine Non Es Dignus
Arch Enemy - Wages of Sin
At the Gates - Slaughter of the Soul
Behemoth - Demigod
Behemoth - Zos Kia Cultus
Between The Buried And Me - Alaska
Blind Guardian - A Night At the Opera
Bloodbath - Resurrection Through Carnage
Children of Bodom - Hatebreeder
Children of Bodom - Follow the Reaper
Children of Bodom - Something Wild
Catamenia - Winternight Tragedies
Dark Tranquillity - Character
Dark Tranquillity - Damage Done
Darkest Hour - Undoing Ruin
Darkthrone - A Blaze In The Northern Sky
Dismember - Like An Ever Flowing Stream
Dream Theater - Octavarium
DragonForce - Valley of the Damned
DragonForce - Sonic Firestorm
Fear Factory - Transgression
Hypocrisy - The Arrival
Iced Earth - The Glorious Burden
Immolation - Harnessing Ruin
Into Eternity - Buried in Oblivion
Kotipelto - Coldness
Luca Turilli - Prophet Of The Last Eclipse
Mayhem - De Mysteriis Dom Sathanas
Nevermore - This Godless Endeavor
Nile - In Their Darkened Shrines
Nile - Annihilation of the Wicked
Opeth - Ghost Reveries
Opeth - Blackwater Park
Shadows Fall - The War Within
Soilwork - Stabbing The Drama
Steve Vai - Real Illusions: Reflections
Symphony X - The Odyssey
Symphony X - The Divine Wings of Tragedy
Symphony X - V
The Black Dahlia Murder - Miasma
Trivium - Ascendancy
Zyklon - Aeon