for technoish stuff check out MSTRKRFT, chromeo, madlib, and some MIA stuff that isnt paper planes
and if you want some good underground hiphop stuff check out
aceyalone
aesop rock
afu-ra
aim
akrobatik
amplive
apathy
army of the pharoahs
atmosphere (although id say hes better lyrically than with beats)
az
binary star
black moon
blackalicious
blue scholars
bone thugs n harmony
boot camp clik
braille
brother ali
buckshot
cannibal ox
classified
clipse
cocoa brovaz
common market
cunninglynguists
danger mouse
dangerdoom
de la soul
del tha funkee homosapien
delton 3030
devin the dude
dialated peoples
dl incognito
duck down
flipsyde
flobots
fort minor
the fugees
gangstarr
general steele
geto boys
ghostface killah
gorillaz
GZA
heltah skeltah
hilltop hoods
immortal technique
j dilla (mostly just beats)
jaylib (j dilla and madlib)
jedi mind tricks
jeru the damaja
juggaknots
jurassic 5
krs one
lupe fiasco
masta ace
method man
mf doom
MGMT (not really hiphop, but good anyways)
mint royale
mos def
murs
nappy roots
nas
non phixion
O.G.C.
one be lo
originoo gunn clappaz
people under the stairs
pharoahe monarch
pusha
qwel
raekwon
re-up gang
redman
reef the lost cause
rhymefest
rock
the roots
royce da 5'9"
rustee juxx
sean price
smif-n-wessun
snowgoons
soul position
souls of mischief
swollen members
talib kweli
tech n9ne
TEK
theory hazit
a tribe called quest
typical cats
wordsworth
wyclef jean
y society
zion i
3 melancholy gypsys
9th wonder
wow, that took forever. hope you like them...