My thoughts on this are that
1 The PS4 was over $100 / £80 cheaper to buy. . this will have encouraged sales of PS4
2 The XB1 launched to possibly the worst BR kick back of any product since mankind started trading in shells.
3 The PS3 is a pretty poor online platform due to poor chat, and social features. So PS3 owners who like online play will be very keen to jump to PS4 due to it having fixed all the shortfalls of the PS3
4 The XB360 is a rock solid online platform, and really doesn't lack anything available on next gen, other than improved games. So XB360 owners have far less need to jump to XB1.







