Same if there is a retail version you should always get the retail version 1.It looks like you have more games which you do. 2.Your HDD can be wiped and you could lose the game the hardcopy isnt as easily broke and if you keep the reciept if it does break you can get a new copy.
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)