I don't see a "significant" graphical leap.

[S.T.A.G.E.]

Bruxel said:

S.T.A.G.E. said:
Can the Wii U play next gen titles? You decide.

yes

No. Not proven yet...Watch Dogs is not next gen and neither is Assassins Creed. The 720 and the PS4 are much, much more powerful. Thief and the Witcher 3 would be on the Wii U if they were next gen.