i dont have any of them, but i might be tempted to get some video of my boys while they're growing up riding. would be awesome for them to have those videos later on when they're old like me.

for proof!
i rode with a guy that had the contour and by the end of the 2days the lens on the contour was full of dirt, the video he took looked good but the dirt inside really bothered him. i guess he's had both the GoPro and the Contour and that was the first time he'd had one get dirt inside.
he also had a problem and accidentally left the contour ON at some point recording hours of worthless video and filling the card up. since he couldn't see the video to edit out the worthless stuff on the trail, he couldn't film the stuff he wanted to.