you should check out these artists

jedi mind tricks ( vinnie paz is the illest mc)
c rayz walz
copywrite
necro
non phixion
vakill
reks
virtuoso
7L&esoteric
virtuoso
benefit
smut peddlers
loe pesci
the high & mighty
demigodz
aesop rock (one of the sickest)

shit man too many to mention