Here are links to a couple of (pretty naff) videos I've taken.
The first is indoors, so no twirling. Plus I had it so that I could just grab the bare-wire switches to fire up the blades, meaning I could power it down too by letting them go. (There's hardly any sound because the speakers are so contained within the hilt. Ten points to who can name the film playing on the telly though!)
The second is a slightly better video, taken outdoors last night. Too dark really. In the second video I tape the switches down to the hilt to try and keep them switched on. One blade does flicker occasionally, though it could also be because the blades aren't actually fastened into the hilt, and the battery connections might be coming loose. (It's a shame MR didn't make it so the battery packs clip-on to the units.)
http://rapidshare.de/files/3997857/MVI_1759.AVI.htmlhttp://rapidshare.de/files/4100686/MVI_1775.AVI.html