Amazon has never been a true reflecter of what is going on on the High Street anyway so why bother reporting an increase in Sales Rank which means very very little to anyone because it isnt actual sales.
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)