Essential Metal Albums: 1986-96

Machine Head - Burn My Eyes
Nine Inch Nails - Broken EP
Corrosion of Conformity - Deliverance
 
Definitely. Bleach too, and then of course Incesticide is the best.

Metal or not? Who the fuck cares when it ruuuuuuuuuuuules so much!
 
Black/viking/related:

Gehenna - Seen Through The Veil Of Darkness (Second Spell)
Kvist - For Kunsten Maa Vi Evig Vike
Emperor - In The Nightside Eclipse
Enslaved - Vikingligr Veldi
Enslaved - Frost
Darkthrone - Ablaze In The Northern Sky
Darkthrone - Under A Funeral Moon
Darkthrone - Transilvanian Hunger
Arcturus - Aspera Hiems Symfonia
Immortal - Pure Holocaust
Mayhem - De Mysteriis Dom Sathanas
Satyricon - Dark Medieval Times
Ulver - Bergtatt

Death metal:

Morbid Angel - Blessed Are The Sick
Morbid Angel - Covenant
Suffocation - Effigy Of The Forgotten
Entombed - Left Hand Path
Cryptopsy - Blasphemy Made Flesh
Cryptopsy - None So Vile
Cannibal Corpse - Tomb Of The Mutilated
Cannibal Corpse - Butchered At Birth
Deeds Of Flesh - Trading Pieces
Incantation - Onward To Golgotha
Vader - De Profundis
Iniquity - Serenadium
Monstrosity - Imperial Doom
Malevolent Creation - Retribution

Other:

NOFX - Ribbed
NOFX - S&M Airlines

^^ mandatory :D (I could also go on about Millencolin et al, but I don't think I will :p )
 
Forgot a few

Motorhead's Orgasmatron
Swans: Children of God
Celtic Frost: Into the Pandemonium--surely someone mentioned this epoch producing work?
 
DEATH:
Entombed - Left Hand Path
Therion - Beyond Sanctorum
Cannibal Corpse - Butchered At Birth
Suffocation - Human Waste
Sepultura - Schizophrenia (Death/Thrash borderline)

THRASH:
Kreator - Pleasure To Kill
Sodom - Agent Orange
Slayer - Reign In Blood
Sepultura - Arise