Well the PS4 rumor last year was it would launch within 18 months. Meaning the console would he on the market by March 2013. Within 18 months was speculated that a winter 2012 launch was plausible though personally I don't share that sentiment. However I do not think Sony will give Nintendo or MS a year on the market unchallenged.
As for next box running Unreal4 it is possible but I find it to be a 50/50 chance. The new engine requires a minimum of 10x the power of 360. To put that into perspective WiiU is said to be between 2-5x the power and the first leaks regarding next boxes power indicate it will he 6x the power.
Why won't next box be 10x the power in all likely hood? Simply put the Kinetic 2.0 is rumored to be the original Kinetic Microsoft downgraded the initial Kinect because
-JC7
"In God We Trust - In Games We Play " - Joel Reimer
