Those "perfect" (non-metal) albums...

[prozak]

My Bloody Valentine - loveless
REM - Dead Letter Office

and all nine of Beethoven's symphonies... they mix well with Burzum and first album Incantation.

 

[benighted]

sasha - global underground::013::ibiza [both discs are awesome]

 

[KryptoN]

Ophelia's Dream - Not A Second Time
Blackmore's Night - Beyond The Sunset
Electrypnose - Brain Stretching

 

[Prim8]

Belle and Sebastian - Dear Catastrophe Waitress
Rilo Kiley - More Adventurous
Nick Drake - Five Leaves Left
Radiohead - The bends
Jeff Buckley - Grace