Gameport !!! : ( Thats lame. Nobody makes gameport sticks anymore. Why not USB? Most motherboards do not have the port, as well as that making it harder to interface with usb devices. (priority)
Add the extra 5$ and make it a USB version. I think most would agree that it would be worth the extra money.
BTW - does it use 5k pots with convertion or typical pc pots?