Jurassic Park would be over $2k. A Judge Dread recently sold on eBay for $1900 and a Demo Man for $1300. Those are the games that "fly under the radar" at Christmas time. There is a risk buying off eBay, as most of the games are overstated, condition wise.
Certainly most of the Data Easts would sell at around $2000.
Are you after a reconditioned game, or an "as is" machine that needs reconditioning ?
I'm more than happy for something that needs a little love. I've got a lead on a jungle lord that I should have in the next week or so it needs a bit of work but it was priced right. But like any pin head your always thinking ahead at the next pin to target.