This is only part of a greater interview but I found it interesting. This comes from longtime Animal Crossing developer Katsuya Eguchi.

“Now that we have a Wii in HD—the Wii U—there are games like Zelda or Metroid or Star Fox, that definitely will benefit from the ability to display those detailed graphics. But there [are] games like Mario and even Animal Crossing where those details might take away from that experience. We have to explore our options.”

When I first heard about the Wii U I started imagining  what an HD Mario would look like. In my mind I kept picturing a Galaxy type game. Honestly it is a little hard to imagine.

Full Interview HERE