It would be better if PS3 had an option to do full install.
As it is now it has serious popup
" MegaTexture streaming comparison was done with default settings (8GB PlayStation 3 install/no Xbox 360 install). "
http://www.youtube.com/v/yHZXCvjZ-_g
Also dynamic resolution scalling that is hitting PS3 version harder under load resolution drops as low as 640x720...
NeoGaf tests:
"Downscaler at work on PS3 shot.
http://www.nowgamer.com/siteimage/scale/0/0/296052.png
http://www.nowgamer.com/siteimage/scale/0/0/296013.png
"