That sounds like a great idea, but here are 3 potential problems which might stop it. Don't take this as a criticism, it's merely my analysis of your idea, which sounded great to me!
1- Can Blu-Ray hold all the data with enough definition for a PS3-quality game? According to X-plane's webpage, the full installation of the game takes up 60 GB of disc space.
2- Is Blu-Ray fast enough to stream the data from disc, or would the game need to be installed in the hard drive? Caching might or might not solve this. It's probably feasible to predict the data which will be needed depending on where the player is heading to, and cache it.
3- Development cost (X-Plane seems cheap enough at $69 or $49 with a discount, but a PS3 game might have a bigger development cost)
My Mario Kart Wii friend code: 2707-1866-0957
