This document compares the key features and specifications of three action cameras: the Aiptek SportyCam Z3, GoPro HD Hero2, and Jay Tech DV123. The GoPro is the most expensive at $349 but offers full HD video at 1080p/30fps and the highest resolution photos and sensor. The Aiptek is cheaper at $199 and also shoots full HD video, but has a smaller LCD and requires additional purchases for accessories. The Jay Tech is the least expensive at $149 but only shoots HD 720p video and has a smaller sensor and battery.