Surfing the web and came across this older article. Very interesting, especially after seeing the Stern Factory. Just makes you appreciate the work that goes into making a modern pinball. I can't believe that JJP is breaking even on this game.
http://www.pinballnews.com/games/wizardofoz/index34.html
http://www.pinballnews.com/games/wizardofoz/index34.html