Now, it's more than likely, it will happen, this week tells everything, WiiU boost disappointing despite biggest nintendo system seller, it will definitely not reach 20M
And PS4 will be at +20M by the end of the year, there is no doubt about that now
Predictions for end of 2014 HW sales:
PS4: 17m XB1: 10m WiiU: 10m Vita: 10m