From the GoPro HD2 to the Drift HD170 Stealth, there are more and more action sports helmet cameras becoming available, it's tough to decide which camera is best for you. There are now a range of brands producing POV cameras, all with their own take on the best features. Drift, GoPro and Contour are three of the best known; whether you need something with a remote control or a camera that's waterproof, we've put together a comparison table outlining the key features to help you make a decision on the best one for you...