Today only, PerformanceBike.com drops the price of this GoPro HD Helmet HERO Camera from $299.99 to $279.99, and it then drops to $237.99 once added to your cart. This is the lowest price we could find for this full HD, wearable camera. It can attach to helmets, surfboards, bikes, car windows, and pretty much anything else. It has a removable polycarbonate shell and is waterproof up to 180 feet. Shipping is free, and sales tax is charged in 15 states.