If you guys aren't reading Offworld, you need to be. I started reading it for it's coverage of the Chiptunes scene, but it has a lot of really great stuff that you won't read about anywhere other than maybe GameSetWatch.

Anyway, they just posted a picture of a young guy playing "Street Pong". This is basically a Pong machine that has been modified so that you control the paddle by rolling the cabinet back and forth on it's casters. I can't imagine actually playing Pong that way, but I'm sure I'd have fun doing it. Check it out:

You can read more about Street Pong over at Edge's blog.