Since the Action video-recording is only playing for me, would be more than 300 for a "hero" 3 too much invested. The GoXtreme is favorable, has misled many accessories (which must be paid for at the "Heroes" yet) and just makes good pictures. What I've seen on YT expensive Actioncams; looks (sorry!) no better. (.. Do not laugh) So far tested on a mountain bike through the Pampa, on the bike and on the Hofkehrmaschine. Soon goes by modelers in the air. Look better does the 720p mode, saving disk space (1MB / sek.auf LO) and has no wide-angle distortion. The Image Stabilizer keeps the image even when Hoppelei quiet, I did not expect in the price range. With the Android app on your phone, you can adjust the image section prima, then WLAN can be switched off again. What bothers me: The video mode must be switched every time you restart, the supplied remote control only works from the front (???), the camera is powerful warm in the housing, so well has an aluminum battery cover. At the Appbedienung and the video format I have to get used to. For thrifty Action filmmakers certainly a tip.