Currently an average score of 94 on Metacritic. Servers are not switched on yet so they don't mention how smooth it is online.
http://www.metacriti.../critic-reviews
Gaming Age gave an A, quoting "The game doesn’t appear to suffer in the slightest when it comes to framerate or visual quality with 8 fighters on screen at once, which is certainly a plus"
http://www.gaming-ag...s-review-wii-u/
US Gamer gave 4.5/5
http://www.usgamer.n...s-its-true-form
Just pre-ordered this, good deal. - http://www.amazon.co...amecube adapter