This site:
Best mini hd car dvr and in car dvr recorder wholesale - TinyDeal
My co-worker purchased this one from them:
(CUBOT) 1.5 Screen 1080P HD Car DVR Vehicle Black Box VDV-155827 - TinyDeal
Scroll down, look at the youtube sample video (Be sure to click on 1080p in the youtube player).
His primary use: Just in case he needs to provide proof for an insurance claim.
His secondary use: Just in case something youtube worthy happens in front of his car.
That's it, plain and simple. The package arrived vis DHL in about 6 business days.
I held the unit in my hands. It feels like a toy. Very similar to holding a web cam in your hands.
Worth the few bucks? I think so.
I haven't ordered one, or more, cuz I cant decide which to buy. But I will.