Da Ill One said:
We have a winner...lol that sh*t pissed me off
But after searching around I think the GTA issue is NAT type...it's a Rockstar game and just like RDR if everyone in r party isn't the same NAT type...then you aren't playing together
like I said in the other thread, it's because of the number of people on your friends list. it has nothing to do with nat type, or putting your ps3 in a DMZ. changing your internet setting will do nothing to fix this. I played GTA4 online everyday in the summer of 08, and I can tell you for a fact that this wasn't an issue until sony updated the firmware to allow more people on your friends list.
those are just a couple results from a quick google search. it's a well known issue. how it went this long without a patch, I have no idea