A game that’s sure to get a lot of play on the PC this holiday season is Call of Duty: World at War (COD5). The multiplayer beta has been available for a few days, and already I’ve logged a good couple of hours in online matches. COD5 is an excellent test for the late 2008 MacBook Pro’s discreet graphics chip. Overall, I found the nVidia 9600M GT to perform quite well, rendering the g...