When I saw that you had made a thread with 'Guess who's back?' in the title I thought that D-Gray had released a new song... :(
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