all possible and with the release of GT5 which probably wont increase console sales that much, it could but i doubt it, and the holiday period it could happen by the end of this year, this is however extremely unlikely but next year definitely unless MS drop the price of the X360 to like £99/$99/€99 which i highly doubt.
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)