I played black ops for the first time and i had real bad lag and while i was playing i saw alot of players that had the same problem and complained about it so i guess has anyone else seen the same thing ?? my system q6600 @3.4 win7 64 bit 8 megs ram and a 5870
Works fine for me. Try reinstalling steam.
They released a small patch yesterday that really helped. More optimizing will be coming I'm sure, but last night was MUCH more playable.