eBay - Mini DV Cam - approx $12
8gb Sandisk micro SD card - approx $20
Jelly fish eye lens - $3
Mounting velcro - $6 from K-mart
old NRMA card - $0
Sorry about the crap camera phone pics

I've still got a lot to learn re editing the video. It would seem I'm compressed the file too much and the song runs out rather than keep looping. Apart from that and the cam being slightly off line it's not bad. Having it in the helmet allows your comments to be heard as well.