I’ve been playing Valve’s brilliant co-op based shooter, Left 4 Dead, since its launch back in November. Although its visuals aren’t quite as stunning, as say, Call of Duty 5 or Far Cry 2, the game features great style, atmosphere and game play that has made it a must-have game for PC gamers (or Mac gamers that use Bootcamp, like me). Letting the game choose its graphic settings is n...