Tom, I'm so sorry to read the circumstances that have lead to you needing to sell this ride. Positive thoughts, energy and prayers coming out to you, your wife and family!
Last year we would have been ALL OVER THIS! We had and spent the budget. This looks like an amazing deal, even at the buy it now price. I hope I don't step out of line, but I'm going to post a link on the main forum to this thread so it isn't missed. I would hope that this ride sells to someone who will maintain it and keep the legacy of the ride going. You've probably already thought of it, but have you contacted D.A.F.E.? http://www.dafe.org/
I hope you experience a miracle that allows you to keep the dark ride for years to come, but if it's time to turn the page and start a new chapter, I'm sure some lucky individual will adopt your baby and treat her well!