Hi Nino, I went halves with a friend and bought the Sinbad on Ebay last weekend. It has a lovely backglass with a few blemishes. The blue windows for the score displays are badly messed up, though. Are you willing to share what you do to fix this, if you do anything at all?
Hi mate, welcome to Aussie pinball. There's lots of good people here who will help out with advise to get your machine looking and playing the best it can. There's also another section to post in for repairs and problems where people will find any of your technical issues quicker.
http://aussiepinball.com/index.php?board=30.0 You'll learn a lot from reading other peoples problems and the solutions here also. Particularly for system 1 machines like yours ( great game by the way)
This link will answer a few questions on your blue windows for you
http://www.pinballpal.com/products/gdisplay/ 
