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427 Cobra Country--Ford AC Cobra replica manufacturers SUPER-SITE.
Avoid eBay like the plague.
Get a professional inspection. Demand paperwork.
Don't buy the car until you sit in the one you want. That means you'll have to go see it, which means it may limit your search area. What you don't want to do is buy a car and then find out when you get it home that the steering wheel cuts into your lap. [This was what happened to me when SPF was high on my list until I found out that I didn't fit in one.]
Auctions aren't bad if you have discipline and get a chance to check it out before it crosses the block.
By the way, you're not the first to ask this precise question (this week). Read some of the other posts will save you a lot of time. See here for the latest trip down memory lane
New guy looking for guidance on Cobra purchase