After much um-ing and ah-ing and consternation I finally decided to just whack the list out in a couple of minutes. I'm sure I'll look at it later and wonder what the fuck I was thinking.
Also, this is without hearing Radiohead, LCD Soundsystem, Stars, Pelican, Rush, blahdy blah and about a million other things I should've.
Heavy
BTBAM- Colors
Porcupine Tree- Fear of a Blank Planet
Five Star Prison Cell- Slaves of Virgo
Parkway Drive- Horizons
Machine Head- The Blackening
Template- I Thought I Turned The World, But it Turned On Me
Devin Townsend- Ziltoid the Omniscient
Arcane- Ashes
High On Fire- Death is This Communion
'neath- The Spider's Sleep
Not Heavy
Justice- †
Battles- Mirrored
Bloc Party- A Weekend In the City
Funeral For a Friend- Tales Don't Tell Themselves
Midnight Juggernauts- Dystopia
Ulver- Shadows of the Sun
Anberlin- Cities
Explosions in the Sky- All of a Sudden I Miss Everyone
Editors- An End Has a Start
Aesop Rock- None Shall Pass
The booby prize goes to Bad Religion and Nine Inch Nails for making incredibly average albums that I couldn't bring myself to listen to more than once or twice.