Hi, I bought a P&P cocktail kit on ebay a couple of years ago. It came with an extra set of Super Pac roms. So I am assuming they are swappable. Here are pics of my board and kit if it helps... http://img.photobucket.com/albums/v120/shertz/ARCADE/DCAM1621.jpg http://img.photobucket.com/albums/v120/shertz/ARCADE/DCAM1622.jpg http://img.photobucket.com/albums/v120/shertz/ARCADE/DCAM1624.jpg http://img.photobucket.com/albums/v120/shertz/ARCADE/DCAM1256.jpg http://img.photobucket.com/albums/v120/shertz/ARCADE/DCAM1255.jpg http://img.photobucket.com/albums/v120/shertz/ARCADE/DCAM1252.jpg -steve