Connect NES And SNES Controllers To The Wii
Retro gamers rejoice! The company Retrozone is developing an adapter that will allow you to hook your old controllers up to your new Wii. The adapter, which connects to the GameCube controller port, should be ready in a few weeks and will cost $19 + S&H.
One thing to remember, is that the controllers offer no benefit other than nostalgia over Nintendo’s newer backwards compatible controller.
Read (Joystiq)