WiiU hardware sales seem to have gotten a pretty good boost with the price cut + WW HD bundle.

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Dr.EisDrachenJaeger said:
Im sorry but the GamePad doesnt cost more than 60-70$ to manufacture.

It must do because the WiiU was selling at a loss even without this price cut. The hardware is on par/little better with PS360 so can't be costing more than $150.