So yeah... finally got my hands on a downloaded copy of a game I've been trying to find for some time called: Rez.
It's nearly impossible to explain what this game is like. If you've ever played any of the Sega Saturn on-rail shoots like Panzer Dragoon... then you can kinda get the idea. I guess the closest thing to it on the Super Nintendo would have been Star Fox.. but it's really a shakey comparison.
Rez melds trance rave music with crazy acid visuals. On the Dreamcast... with a vibrator stick plugged in, the controller vibrates in your hand along with the music.
There is a Playstation 2 version as well... and although the graphics aren't quite as fluid as the Dreamcast's, it reportedly comes with pretty much the most interesting peripheral I've ever seen for a video game. It's called the "Trance Vibrator," and if you're lucky enough to get your hands on it, your guess is as good as anyone's as to what the thing was designed for besides masturbation!
Don't take my word for it... click on the photo for an article by one of my favourite game journalists, GameGirlAdvance for an in-depth explanation of how it all works exactly.