What do you want to know? I dig old school nes music, and some snes music. Castlevania has some pretty good tunes, especially Bloody Tears. You can use soulseek to download anything.
the NESkimos do old video game covers like mario, zelda, and contra.. look 'em up.. the mario one is quite good
heres som stuff, not exactly sure if this is what your looking for tho... a lot of megaman...its all in ogg tho... http://www.sepwich.com/ssntails/music/