If you lower your FSAA, fps will go much faster. Nomad, lots of people pirated CoD through the torrents etc. I don't think many people actually purchased the game for 50 dollars.
I know alot of peeps did that, but they are in for a disappointment b/c they won't be able to play MP unless they found a way to find serial #'s that are not being already used, and if they DL'd them, that means they are already in use. The only way I can see a way around that is to go to the store where they are selling the game and open the box and copy the serial # down.