Amazon with World Class has the Gear Pro GDV285 1080p Full HD Sport Action Camera (Black, Blue, Silver) for $50 + $0 shipping = $50 shipped. IPX8 waterproof case is rated for depths up to 3 meters. 1920x1280 video (120, 60 or 30 fps), 5MP CMOS sensor, mini HDMI.
http://www.amazon.com/exec/obidos/ASIN/B00HZS0MIK