I think anyone who was listening to metal in the early 1990s will agree that it was the gateway album that brought them from more mainstream stuff like Metallica and Megadeth and the more extreme stuff like Cannibal Corpse.
11/30 -- Devin Townsend
12/06 -- Distant Worlds: the Music of Final Fantasy
12/27 -- Unearth
03/07 -- Video Games Live