Why I can not edit my post?
GTAIV: Is the Xbox 360 Version Superior?
http://techspyblog.blogspot.com/2008/02/gtaiv-is-xbox-360-version-superior.html
More Developer Insights: PS3 Fill Rate Problems
In doing our research we came across this explosive expose from former Harmonix Developer Jason Booth. In his blog he reveals the truth about the alleged power of the PS3. What he says may directly effect the performance of GTAIV on the PS3. Here is what he had to say:
"The fill rate on the PS3 is significantly slower than on the 360, meaning that games either have to run at lower resolution or use simpler shader effects to achieve the same performance. Additionally, the shader processing on the ps3 is significantly slower than on the 360, which means that a normal map takes more fill rate to draw on the ps3 than it does on the 360."
Microsoft Defense Force? MDF? Thick as wooden planks.