Lots of great ones mentioned already. Here are a few others that came to me:
Between the Buried and Me, Colors - The Great Misdirect
Hypocrisy, Abducted - The Final Chapter
Intronaut, Prehistoricisms - Valley Of Smoke
Mastodon, Blood Mountain - Crack the Skye
Sepultura, Beneath The Remains - Arise
Smashing Pumpkins, Siamese Dream - Mellon Collie
NIN, Downward Spiral - The Fragile
Live, Throwing Copper - Secret Samadhi
The Jayhawks, Hollywood Town Hall - Tomorrow the Green Grass