Cool. I would hope for a 1080p download of the game, but...who knows if that'll happen. If it's essentially a port of the GameCube game, I'll just stick to my hard copy since it's already 16:9 progressive scan.
Apparently the Wii U pro controllers don't have any analog shoulder buttons? Kind of shot themselves in the foot there if they're bringing in GameCube downloads, since a number of games used them to good effect.