Here’s a translated summary of the Nintendo Direct (Thanks to cvxfreak):

Parental Controls

– Nintendo realizes that some parents may fear that their children may use the Wii U’s …
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Visitors can get Hands-On Time with the New Wii U and the Best Nintendo 3DS Games for the Holidays

REDMOND, Wash.–(BUSINESS WIRE)– Nintendo and fun have always gone together, but …
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LOS ANGELES – November 13, 2012 – D3Publisher (D3P) and Cartoon Network Enterprises (CNE) today announced Ben 10 Omniverse™ is now available for theNintendo 3DS™ hand-held system, Nintendo DS™ hand-held system and the …
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This is actually a pretty interesting video. Not sure if all the upgrades have to do with the Wii U power or more development time. I think a mixture of both.