Best way for Nintendo to prove their system can produce better visuals than the 360/PS3 is to have games producing better visuals than the 360/PS3. A difference that can be noticed.
So far we have none, and I will continue to wait.
Precisely. Wait until Nintendo shows first party titles that were built from the ground up on the Wii U, not a transitional game that started life on the Wii (I'm looking at you, Pikmin 3...).
We will get great looking titles from nintendo with time, that show a comparable difference from PS3 to Wii U, but until then, we'll just have to wait. I just pray to god we don't have to wait that long.
Now where did this "RETRO's new game on Friday" rumour come from by the way?