small44 on 05 September 2014
Vita it's already have 1.8 millions while xbox one will be lucky to do more then 1 million
PS4 - over 100 millions let's say 120m
Xbox One - 70m
Wii U - 25m
Vita - 15m if it will not get Final Fantasy Kingdoms Heart and Monster Hunter 20m otherwise
3DS - 80m