If playing some of the classics on your Wii virtual arcade with the very un-retro Wiimote isn't fitting your fancy, then this mod might be for you. Mark Feldman put together a decent tutorial to convert the classic NES or SNES controllers to work with the Nintendo Wii, wirelessly. Remember your roots, kids. Like most mods, some electronics know-how is needed for this project. –Travis Hudson

Mod Information Page [Via Hack A Day]