Prediction: Wii U will sell under 40 million units

[Kerotan]

Ryng_Tolu said:
Worst scenario:
2015: 3,000,000 (12,000,000)
2016: 2,000,000 (14,000,000)
2017: 1,000,000 (15,000,000) new N Console released
other 500,000/600,000
LT: 15,500,000

Best scenario:
2015: 4,000,000 (13,000,000)
2016: 3,500,000 (16,500,000)
2017: 2,500,000 (19,000,000)
2018: 1,200,000 (20,200,000) New N console released
other 700,000/800,000
LT: 21,000,000

I think that sums it up.  Personally Id say it's something on between.