Conitec has always answered questions regarding console deployment that if a publisher has the right money and a GS game gets the "okay" to be put on a console, Contiec will port the game to run on that console. Apparently that's how other game engines got there in the past.
Besides, XBox 360 uses DirectX (a variant of 9, even, I believe), so if anything that'd be the easiest.
On the other hand, I want to self-publish anyway, so even if it's somehow uber-successful it'll probably never get there anyway
