This is for sale in Denmark. Price approximately 4525 USD
Note: This is not my sim.

The translated text:
Mega bargain for the technical minded person.
Cessna simulator incl. PC, 3 projectors (benq) and a large quality screen of 6.0 * 1.5 m incl. frame.
The price for all this is 30,000 kr. Collected from Youfly in Brabrand.

I found some better old pictures here: