Persona 4 soundtrack that came with the game. It's good but I can't help thinking that the Digital Devil Saga soundtracks are better out of all the SMT games.
Wheels Within Wheels - White Light Rains Down On...
post-rock-ish metal with also some black metal influence, who've done a split with Panopticon. Not really sure how to categorise them, but they're pretty damned trippy.