I'm not sure if anyone here has seen this. I did a search and didn't find anything...
It seems if you pre-order Star Wars: Rebel Strike -- Rogue Squadron III for GameCube you'll recieve a demo disk with a fully emulated version of Star Wars Arcade on it.
http://www.ebgames.com/ebx/product/235855.asp
http://gamestop.com/product.asp?product%5Fid=220351