Just poking around on their site (while waiting for my E-Lander mags to arrive), and I came across this. It has some pretty cool features. It's not cheap, but it's not outrageous at $108. Nice video, too.
http://www.themakogroup.com/product_p/gl-shock.htm
http://www.youtube.com/watch?v=YyohOrUo1D4&feature=player_embedded
http://www.themakogroup.com/product_p/gl-shock.htm
http://www.youtube.com/watch?v=YyohOrUo1D4&feature=player_embedded