Have the POV.1 for a while:
It's just superb.
I know it's a different price, but it's worth it. Was also thinking of the ATC5K at first but the quality of the pictures changed my mind.
Bought it at:
The first video I made is here:
Might take some time to download as "Vimeo" is busy these days.
Camera was hand held, sometimes just standing in the Scorpion. Speeds up to 90 km/hr. Now I made several contstructions so I can film from my cap, helmet, cockpit and 1,50 m above the transom.
In the future I'm not commentig anymore in the video, that's not my best part, and less technical gimmicks for overlow, etc.