I'd agree that 1080p30fps is likely. It would be like Wind Waker HD, which is 1080p30fps and weren't those E3 screenshots of the new game 1080p? Zelda, as a slow adventure game not reliant on precise platforming and speedy manouvres, is fine at 30fps. In this case I'd rather take the resolution. A Link Between Worlds was 60fps, but only because it gave a clearer 3D picture.
Now, to answer the OP, 60fps could be possible if Nintendo really wanted to, but not without trade-offs. Like I said, I'd rather they make the game as pretty as possible instead of needlessly smooth. 1080p and 60fps will probably be impossible on WiiU for such a big game.
They're going to go all-out with this game, trying every trick in the book, and it will be gorgious regardless that's without question.







