Well any 3rd party support for a nintendo machine at launch is good news but I'd be more excited (fot the wii u) if it was exclusive (not that it'd happen, just saying).
I like the ninja gaiden series and am looking forward to this game. Am also likely to be buying a wii u day one (when it's released in my country)...but I own a 360 and ps3 as well so I don't necessarily need the wii u to play it. Chances are I'll already own it by the time the wii u lauches.

It's good news and may help to alter some peoples perceptions of a nintendo console, but it's not exactly a system selling title on the other 2 machines so I don't see it being THAT big on the wii u (as pointed out above).
I think it'd take something massive like GTAV (again, just saying) to have an impact on potential wii u buyers.

Obviously though, any 3rd party support is good and I hope it leads to better stuff for the big N.

    They did say(I don't remember where I saw it) that the WiiU version takes cues from the DS version. It probably will use touch screen controls almost throughout.

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how....?

After you copy and paste that code in, you need to click on the "html" buttom (next to the question mark) and then click the update button. It should work fine after that.