These current unsolved ones are wayyy too cryptic. People post some more clues! New ones should be posted at a later stage today too, i'll post some.
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