Been thinking of getting one for my work van, seeing as it does loads more miles than my car. Partly for the "crash for cash" scams (had a customer recently that suffered one of these) but also just to catch the stupidity and idiocy I encounter on a daily basis on our roads

Not looking to spend a lot, so looking at this http://www.ebay.co.uk/itm/301042725960 and then whack in a cheap 32gb card and just let it record all day and overwrite itself