The only thing I wish is that there is a multiplayer hub and user generated shrines in the NX verision that would make me instabuy the NX. Have the Hub for user generated shrines(dungeons) be on a flying castle http://i.imgur.com/M6m70Me.gifv
Basically if Nintendo took inspiration from Skyrim they need to really embrace user generated content and a shrine creation tool. Have the flying castle be a village of miis where you can view their dungeons/comments. Shrines have rating system, social integration etc and you need to complete your own shrine before being able to upload it. When in game accessing the MiiFlyingCastle you could choose to see mii's with the newest shrines, your friend's shrines or top rated shrines. With the shrine building tool to be really complex taking hours for a user to create their own shrine. Obviously there would need to be a defined size of the shrines.
If a user generates loads of top rated shrines and becomes big in the community Nintendo contacts them about them creating a dungeon for the player base and Nintendo themselves in collaboration with these users release a new dungeon accessible from the hub each week, while also having their own dungeons or dungeons released by other devs or personalities.
Honestly that's the type of thing I'm hoping for with games on the NX, I'm just not sure the Wii U has enough power to support user generated content beyond something small like SMM.
Otherwise as far the game itself looks great even on the Wii U so I will probably purchase it there unless Spla2oon is also a launch title for NX. The interactions with the environment are the main thing I like about the outer-world and the few shrines I saw had varying difficulty. We've still not seen anything from the actual dungeons - which will probably be massive.
there is going to be some amazing gifs and videos once this comes out - http://imgur.com/a/an5z3