Indeed, doing the real-world portions of Tron Legacy in 2D and the in-the-grid portions in 3D worked beautifully. I also happened to pick up a magazine about vi

Indeed, doing the real-world portions of Tron Legacy in 2D and the in-the-grid portions in 3D worked beautifully. I also happened to pick up a magazine about visual effects which contained an extensive interview with one of Tron's vfx designers, and it mentioned lots of cool details I missed when first viewing the film, e.g. check out the fireworks when they introduce the light cycle battle.