Thanks for the advice everyone. I didn't realize I needed a cam until reading this post. I picked up the Polaroid xs100hd, and it came with many mount options. I mount it on the AN400 using a handle bar mount, attached to the left end weight outboard from the left grip, very smooth.
Really works well.
I tried the wind screen with a suction cup, awful shake.
I also put a stick on mount on my HJC helmet. Bit tricky with all the ridges. Really nice, and not tied to just once motorbike.
The camera shoots good 1080p video, super simple to use, and no external case to fiddle with. Water proof to 10 M right out of the box.
Thanks again.