The Zelda tech demo looks to be beyond what we have now seen from the wii u in the last year since release. A bit of a tease to be honest. Same as the bird demo they showed in 2011.
I would personally prefer a cartoon style Zelda because it's easier to do less realistic graphics cartoon graphics on weaker hardware. If they try to do something realistic it won't impress. It's more important that they focus on a beautiful art style rather than try to achieve realistic graphics in the same league as Xbox one or PS4.
When you look at something like Mario Galaxy on wii it looks beautiful but when you see the wii trying to represent a realistic world in a fps game it looks totally awful and hugely out of date. I think it will be the same issue with wii u vs ps4/xbox one. Nintendo shouldn't even go there.
