Well i would put money on the price dropping in March that was when it dropped for PS1 and PS2 during its first year out so it might drop earlier like before Christmas but Sony wouldnt tell you even if they knew.
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)