Heres some GOOD info on the game including price type of headset etc etc:
http://en.wikipedia.org/wiki/Warhawk_%28PlayStation_3_game%29
End of 2014 Hardware Predictions (03/03/14)
PlayStation 4: 12-15million
Xbox One: 7-10 million
Wii U: 8-9 million (Changed 01/04/2014 from 7-9 --> 8-9 million)