Check this out!
http://www.woot.com/sale/gopro-1080p-hd-helmet-hero?utm_source=Daily+Digest&utm_campaign=06d53bd8fc-Daily+Digest±+20111217±+Woot&utm_medium=email#tracked
Looks to be a ‘One Day Only’ type of deal, but at current exhange rates, the posted price works out to be £87 for a Go Pro HD!
The only problem is that they don’t ship outside of the U.S.A.
So if you know anyone who can send it to you, it might be worth considering.