Undeveloped probably in the middle to high $XX. The idea behind a developed site for domain auctions has been something I was thinking about for quite some time, but not have no idea what kind of scripts that would require. If you can pull that off, the better for you. Good luck with the site.
I told you exactly what I think the name is worth, there is no purpose in putting a name up for appraisal if you expect people to value only in accordance with your views on the name.