When it comes to 3D, bigger is better. Forget everything anyone ever told you about the appropriate size of a TV, because 3D is a dish best served large. Let me tell you something: I have seen the future and the future is jaw-dropping, wall-sized 3D gaming, complete with full-scale cars in Burnout Paradise and man-sized zombies in Left 4 Dead. I now partake in spaceship battles so viscerally convincing that I feel as if I were traveling through the void at warp speed, lasers blazing--all of it in glorious, larger-than-life 3D. If you want to know how you can do it too, read on.