Is there anyway to just install most of the game? I currently have a 500Gig Hard Drive and over 270 Gigs left of space so installing the game shouldn't be a problem, or would that even help. Also did they even bother testing this game for the PS3 the whole time I was watching vids before it came out it was all X-Box 360, and nothing about the PS3 really ever, seems a little like they're being sell outs, and worrying about money instead of making sure people enjoy their game (and the game was amazing until lag struck).

When it comes to install sizes Sony determines that.

Ah well they should give a option to install most of it

Turn off all autosaves and erase them.. It will stop some lagg and make loading times fast..

I turned off all that went and decreased my save file by saving in a house (only went down 1.2 MB) I turned off the actual stuff from the PS Menu that makes the games look better, I turned off all info coming in, and I even play offline and the game is still nearly unplayable, my game save file is over 12 MB (with the reduction) and about 67 Hours of play.