I'll go first second to get the ball rolling...
<--------That's me in my avatar. I took it with TDKR iPad app.
YOUR TURN!
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