lol I can't believe no one thought of a thread like this before!

From Hikki:
EXODUS
ULTRA BLUE
HEART STATION
This Is The One
Distance
DEEP RIVER
Single Collection Vol. 2 (soon!)

Others:
Aozorafantasii: Flight (debut album!)
Sakanaction: kikuuiki
Sakanaction: Night Fishing
Kyosuke Himuro: 'B'ORDERLESS
L'arc en Ciel: Kiss
B'Z: MAGIC
Mongol800: Message
UMBERBROWN: The Scenes of Brilliant Memories
FLOW: MICROCOSM
BEAT CRUSADERS: E-POP Making
BEAT CRUSADERS: LUST CRUSSADERS (soon)
BEAT CRUSADERS: REST CRUSSADERS (soon)
Asian Kung-fu Generation: World World World
Genki Rockets: Heavenly Star I
L'arc en Ciel: Quadrinity (soon)

I have more music from other artists, like RADWIMPS, but they're mostly singles, not albums. Most of my albums are digital, with the exception of Exodus and Distance, which I just picked up for $3 each at Book-off in NYC. Strangely, my favorites from that list seem to be relatively unknown, like Umberbrown, Aozorafantasii (from YouTube!) and Sakanaction. BTW, R.I.P. Beat Crusaders... broke up over the summer. Also, I would really recommend Aozorafantasii's "Flight" album just for the track "Sea of Stars" alone (the whole album is acoustic except that one track); it just gives of this sort of ethereal, ambient feeling. Check out the album version of "Sea of Stars" if you have the chance: http://www.youtube.com/watch?v=a7SMVbgFNQo (edit: damn YouTube distorted the audio quality )