The best way to get 8-bit sounds is to employ a real NES system or Game Boy for fifteen bucks and go to town — nothing else sounds quite the same. But for the next best thing, and the ability to do evil things to those sounds within a serious host, this free plug-in from Japan that will do the job.
read more in english here:
http://createdigital...m/category/features/
from http://createdigitalmusic.com 
