I'll add my 2 cents about CarFax reports. Don't waste your money. Back in May my daughter bought a used Hyundai Sonata. Several months later her husband to be is looking to buy a ued Dodge Ram and they decided to spend the money and run the Dodge Ram Vin# on CarFax. While they were at it, they ran the Sonata's VIN# also and both came back with clean reports. About a month ago, the daughter goes to a Hyundai stealorship to trade up to a new 08 Sonata and take advantage of the 72 month 0% fianancing, now that she has graduated and has a good paying job. The dealer runs an AutoCheck report and it comes back that the car was in an accident in 2006 and suffered subframe damage. The dealer puts her car on a rack in the service area to verify the accuracy, and yes there was evidence of damage. Although, the bodyshop man examining this said that whoever repaired it did a very good job, the dealer would only offer her $6K on trade in. So for now she is pretty much stuck with the 06 for a while.
So I think from now on I will run AutoCheck reports instead of Carfax.