In no particular order:

GZA vs. Muggs - The Grandmasters
Common - Be
Kanye West - Late Registration
J-Live - The Hear After
MF Doom + Dangermouse - DangerDoom
Sage Francis - A Healthy Distrust
System Of A Down - Mezmerize
Blackalicious - The Craft
Lyrics Born - Same Shit Different Day
One Be Lo - s.o.n.o.g.r.a.m.