I'm going with creamsugar's suggestion and say:
PS4 - 380k
X1 - 1 (Don Mattrick cashing in his farewell MS gift coupon)
PS3 - 379k
X360 - minus 1(Don Mattrick selling his 360 because he has internet now and can upgrade)
Wii U - 83k
That would make PS4 + PS3 > X1 + Wii U and PS4 > Xbox family
Looks alright to me.
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