Well if you do the devs want you to sign this petition (http://www.change.org/petitions/daisuke-ishiwatari-and-arcsystemworks-develop-guilty-gear-xrd-sign-on-the-wiiu?utm_source=target&utm_medium=email&utm_campaign=added_as_petition_target).
More info here. (http://www.destructoid.com/guilty-gear-xrd-sign-may-get-a-wii-u-release-256741.phtml#Z2QpLWfppsogyaBk.01)
It'll make make my tournament a heck of a lot easier.
Although I am perplexed that we have to sign a petition to get games on the Wii U...