Majora's Mask. Don't misunderstand me, I'd definitely prefer a new, sidescrolling Kirby game over yet another Zelda remake, but "Kirby 3D Adventure" sounds awfully... well, 3D. Kirby's Return to Dreamland happened to be my favorite platformer of last gen, and I wouldn't turn down a sequel. But an improved remake of an already highly acclaimed title that I've been interested in for a while now, or an unproven experiment with 3D in a franchise that (as far as I know) has never tried its hand at 3D gameplay outside of a racing spin-off? The choice is clear, especially when the only Nintendo series that I consider to have been really improved by the transition to 3D is Mario Kart, and the only other series that I think has not decreased in quality to some degree after "making the jump" is Metroid. (before Other M, at least)
I'd still like a Majora's Mask remake, as it is the only home console Zelda barring Zelda II I've yet to play, and I'd be more than willing to throw down an additional 30€ for a Boss Challenge mode, an easily accessible touch screen menu, and superior bow controls to the Virtual Console version. The graphical update wouldn't go unappreciated either.
