Looks like my prediction of 562,500 may have been a little bit on the low side. The numbers in the OP are beginning to look more and more likely to materialise
My prediction threads:
Wii U will sell under 40m units (made on 14th September 2012)
PS Vita will sell under 20m units (made on 30th September 2012)
Wii U will sell under 7m in 2013 - I was right