Gav (Dynamight) and Layne both post good video's. When chatting about camera's Gav sent me this, which is what they both use:
This is what you want:
http://www.ebay.co.uk/itm/Mobius-Action" onclick="window.open(this.href);return false; ... 232c961f6a
Thats direct from the manufacturer, they are a pretty good seller too & replace any faulty bits etc. You could also buy from this place:
http://www.banggood.com/Mobius-Full-HD-" onclick="window.open(this.href);return false; ... 90648.html it's in their UK warehouse so should arrive quicker but does cost a little more.
You'll need a MicroSD memory card, it doesnt need to be top of the range. Just class 4 or above. You'll probably want atleast 8GB, probably 16GB to cover it as the files will be quite big.
Example of quality:
https://www.youtube.com/watch?v=q1ceHiXr5Z8" onclick="window.open(this.href);return false;
Also read this site, it has loads of info on the first 8 posts:
http://www.rcgroups.com/forums/showthread.php?t=1904559" onclick="window.open(this.href);return false;