What direction will Nintendo take Mario Kart U?

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SwansVanTerif said:
No, they should do exactly what I said. Focus on balance and depth, instead of gimmicks. Pure gameplay, like SMK, MK64 and MKDS.

Depth and balance I agree on, but what gimmick did MKWii have?

I'd also argue that SMK and MK64 had some serious shortcomings (mostly design choices unacceptable by today's standards) that I'd like to see absent from MKWiiU.