My impression is that Xb one performance in November in the USA will accelerate Xb one past Wii U and will slow the PS4's march to 50%. So I say Xb one gets past Wii U first.
“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.” - Bertrand Russell
"When the power of love overcomes the love of power, the world will know peace."
Jimi Hendrix