8bitpeoples, the web label. the majority of the artists within their discog are like what xterm described, heavy/blastbeat gameboy music.
dr. von pnok looks to be interesting chip/idm stuff
misfitchris does an interesting take on fakebit house music for the most part. he also used to make some interesting dance-classical hybrid NES tunes, but he kind of quit all that.
george and johnathan are hyper-zapp-and-roger-fakebit-funk, and are *kind of* a big deal in some circles and probably the most pop-o-fame-o-licious dudes in that lineup.
everything else looks to be gameboy dance-ish tunage