if you spend a lot of money on a camera make sure you fit it better than I did, i didn't tighten a bolt properly and the bracket started swinging down and found its way between a rear tyre and side pod!
if you skip to about 3:50 on this video
http://www.get-it-lit.com/?p=59
you'll hear the camera getting mashed up by the tyre!
the smartycam still works though so they are pretty tough