Imagine that you have the power to make more games for one of this two franchises.
The iconic Sony mascot that Activision keeps locked in their basement, probably inside a box with the Gimp, and the crazy PSOne classic game about catching monkeys with a net by the clever use of Dual Analog Sticks that Sony introduced.
Which one would you pick?
Nintendo is selling their IPs to Microsoft and this is true because:
http://gamrconnect.vgchartz.com/thread.php?id=221391&page=1