http://www.helmetcamreview.com/4camShootout.htm
 

Here is a link to a good comparison of helmet camcorders.  If you use a helmet camera, which one, and how do you like it?.                                      

http://www.vholdr.com/ here are some clips http://digitaldude.smugmug.com/gallery/7285928_NAJYh#474567396_c8ptz

Now that racing season has started, I would love to see some clips from in the race car during a race.

Here is a good deal on the GO PRO helmet cam as seen in ths video http://wtfrace.com/devilwoman/video/158

http://www.pashnit.com/product/gopro/gopro_motorsports.html