He tells Empire that he was considering 60FPS to accommodate home viewers (since it's better-suited to TVs), but that he's ultimately sticking with 'just' 48FPS; he's plugging into a "more mature" system where the slower speed makes sense. The sci-fi sagas won't push the boundaries of moviemaking technology quite as far as you might have expected, then, but the chances are that they'll still be visual extravaganzas.