Locknuts on 27 September 2013
Here's an actual quote from the creative director regarding the Wii U version from mynintendonews.com:
“I think it’s even going to be a bit better. If you pump the PC to its maximum there are things in the filtering and rendering that I think are possible on high-end PCs that are pretty amazing. Wii U is pretty much in-between – it’s neither of them, not current-gen, maybe closer to current-gen than next-gen.”
So it's just as everyone suspected. A bit better than current gen but noticeably worse than next gen.
