Been a long time IL-2 player. Probably the funnest (and best) combat flight sim/simulator series ever made. I have browsed through the forums regarding some information on 3D displays. It's a relatively new technology. But i believe is the wave of the future for flight sims. Just wish the makers would use IL-2 for demonstration.
Here's one from Immersive Display Inc.
Here's a prototype from FREX Japan,