If you intend to have the second console for Nintendo games and Nintendo games only, then the choice is obvious.
If you aren't going in with the intention of playing Nintendo games then for the love of god don't get a Wii U, people recommend it all the time but they don't mention the range of developers for that console is one.
If you aren't going in with the intention of playing Nintendo games then for the love of god don't get a Wii U, people recommend it all the time but they don't mention the range of developers for that console is one.