This short video uploaded to youtube shows off the ability to run an emulator on the iPad to play SNES games, while using the Wii Remote to control the character. The game being played is Super Mario World on snes4iphone [$5.99 from Cydia].
The jailbreak for the iPad has not even been out a week yet, and you can clearly see the great possibilities that can come out of this device. As the jailbreak community continues to release new iPad specific applications, that Apple does not allow in their own AppStore, expect to see some really creative ideas unfold.
If your not too sure what jailbreaking your iDevice means, Gizmodo has posted a great overview on what jailbreaking is, how easy it is, and some other common FAQ's regarding jailbreaking. But as always, like the Gizmodo article clearly points out:
And remember, be careful! Jailbreaking is unsupported and something that's very new to the iPad. If in doubt about a particular Cydia app, err on the side of caution. You're better safe than sorry, really.