Thanks for the input everyone. I will be getting a PPI and have a local Pelican check the car out.
A Pelican I've been emailing with had a good suggestion that I thought I'd share. He said to have the owner post the car on eBay with the agreed price as a BuyItNow, buy it immediately and pay with PayPal. This way you get the buyer protection:
eBay Motors - Purchase Protection - Overview This protects the seller too.
Nostril Cheese, I sent you a PM.