I was wandering around the lotus talk forum and I ran across these videos:
They are cool, not just because of the car (which is not a lotus by the way... anyone here who can guess it?

), but also because of the 300fps slow-motion... It would be really cool if someone brought one of these to our events. It would likely be very revealing/helpful to see shots like this...
http://www.vimeo.com/6251113I did note that the classing letters don't appear to be a standard SCCA class, so this is probably some other club's designation...