fist week breakdown in the uk:
ps4: 46%
xb1: 36%
360: 14%
ps3: 4%
that ratio includes hardware bundles.
and the gap between ps4 and xb1 is much bigger in the uk
uk 33% install base gap
us 19% install base gap
edit: and ofc higher attachrate on xb1 than ps4
my prediction will become true :)







