Sounds like you need to contact importers and ask for an "as is" or dare I say it - A pinball "straight out the container". This will be cheaper, but risky. I've never seen a project Addams for sale via eBay etc etc.
One of the dealers up here had 9 and wouldnt sell me one,even a bad one
Apparently selling before he can finish them..
DSB Will have to get down to the old Yatala drive in and check it out...
Peter..