Some arranged Radiohead's "OK Computer" and "Kid A" as 8 bit recordings and released the entire albums on YouTube and download. YouTuber QuintonSung has them available for YouTube streaming:

OK Computer:
http://www.youtube.com/watch?v=YxLnu4PhQNQ
http://www.mediafire.com/?k19e847uw1wb5wl [MP3 download]

Kid A:
http://www.youtube.com/watch?v=lFUIeDjo2dA
http://www.mediafire.com/?i1fjgryo63czhhg [MP3 download]

Listened to it today and they are both really cool. Like how he puts in Zelda and Mario sound effects from time to time.