Don't be foolish, no one is selling wallet files that have any value. Just go to the technical support boards and count how many newbies show up asking how to brute force wallet.dat files they "found on an old hard drive." All of these poor souls were scammed.
I don't know why I'm trying to save an obvious scammer from being scammed, but that's just how I roll.
The website is called theoldestscaminthebook.com.