Here's some screen shots of it in action:






The only slight annoyance I have with it at the moment is that you can't export the video (but they have promised this function in future updates though) - but I figured for £1.79 for the app then you couldn't go wrong as stand alone systems which perform similar functions are >£300 GBP..
Thought I'd mention it on here as I know a lot of peeps do track days/run outs and auto cross and if you already have an iPhone then it's a fairly cheap in car recording system!
For info this is the windscreen mount I have:

here's a quick video of it in action:
not the best quality as I only realised after this video that the phone wasn't 100% secure in the cradle so there is some extra vibration there which wouldn't normally be there! - future releases/updates will support export and direct YouTube uploads according to the developers

