Jet Skiing at Potholes
Jet Skiing with a ContourHD and a underwater housing. More about the housing: H2Ov
Source: VholdR
Camera details: VholdR ContourHD
Water Sports
River Rafting Colorado
River Rafting down the Poudre in Colorado filmed with the GoPro Helmet HERO.
Source: Boing Boing Gadgets (including review), YouTube
Camera details: GoPro Helmet HERO Wide.