well the ps3 is hard to develop for. If a game was to be coded perfectly for the ps3 and 360 the ps3 version would always be superior.
And most 3rd party games are created using the unreal engine which is known to be far from optimized for the ps3.
Nobody's perfect. I aint nobody!!!
Killzone 2. its not a fps. it a FIRST PERSON WAR SIMULATOR!!!! ..The true PLAYSTATION 3 launch date and market dominations is SEP 1st