Um so in almost 6 months, you believe the Wii U will sell less than 1.8 million? :( I don't think so.
Nintendo should sell that amount within year end of their fiscal year, March 31st.
Region wise:
Japan: Minimum of 500k (New Year sales should propel the Wii U to 100k next week)
North America: Minimum of 750k
Europe: Minimum of 400k
Rest of the World: 250k
I think maybe you are a bit biased :p