Snes Central, along with Lost Levels is releasing a bunch of prototype snes roms in the coming weeks, and I figured people here might be interested. Included in this are some unreleased games.

I've already released a couple:

Rockman 7 (beta)

http://snescentral.edgeemu.com/article.php?id=0851

Untitled NFL Football game by Scuptured Software

http://snescentral.edgeemu.com/article.php?id=0852

Enjoy!