Because Sony support more their (home) console than Nintendo or Microsoft.
Because the quality and the price are much better on PS4.
Because it has a much better futur than One or Wii U. ( multiplat+much more exclusive games)
+ it's indeed the cool product to get(like DS,3DS(after 1 year), Wii, PS2) and this is perfectly justified.
Predictions for end of 2014 HW sales:
PS4: 17m XB1: 10m WiiU: 10m Vita: 10m







