You may want to check out Pin George in Germany:
http://www.specialpinball.com/
His work is amazing, and he has been working on recreating Wizard Blocks, which was never produced. He may be interested in your work, and the two of you may benefit each other.
I'm surprised you made it as far as you have, in that many have ideas of doing something like this, but quickly realise how difficult it will be. The display construction... - the fact that you are willing to build that from the ground up is amazing!