This is how i believe Sony should release there exclusives over the next few years
Early 2012
Starhawk
Twisted Metal
Mid 2012
Sonys fight game
Late 2012
The Last of Us
The last guardian
Quantic dreams new IP
2013
Santa Monicas New IP
Guerrilla Games New IP
PS4
Uncharted 4
God Of War 4
KillZone 4
Gran Turismo6
Little Big Planet 3?
IMO this would be perfect because the PS4 is clearly going to have some big named titles for its debut with the last final years of the PS3 creating new IPs to become popular and become big named games just like the Uncharted series has with the PS3, this is all of course if the PS3 will be released in 2013 and that all these developers are developing these new titles etc
.