This should come as no surprise as they continue to inch closer to killing off a good franchise with oversaturation. My guess is this will be the last AC on PS3/X360 & hopefully there will be a 2 - 2 1/2 yr gap between the PS4/720 game. A PSVita title would work to keep money rolling in I guess.
http://ps3.ign.com/articles/121/1211951p1.html
http://ps3.ign.com/articles/121/1211951p1.html