They aren't under stocking wii u at all. They plan to ship 3 million in the us. Their target for march was 10 million with wii and wii u sales combined but is it really wrong to think this could sell as fast as wii did.
http://www.jeuxvideo.com/news/2012/00061638-wii-u-les-usa-a-sec.htm
One more thing to complete my year = senran kagura localization =D







