Judas Priest will probably take my AOTY pick, though I recognize some bias there. It's quite a nice top 20, though - Ulcerate, Sgaile, Necrophobic, Chapel of Disease, etc.
Primus Buckethead Guns N' Roses Zillatron Death Cube K Frankenstein Brothers Cobra Strike Colonel Claypool's Bucket Of Bernie Brains Cornbugs Deli Creeps El Stew Giant Robot Gorgone Praxis Science Faxtion