You loved it in Team Fortress 2, you asked for it, and today, Valve delivered, finally adding support for 4v4 competitive matchmaking to Left 4 Dead.
Can't fault their timing; just as people are about to abandon the first game en masse to pick up the sequel. Ah well. Better late than never, eh?
In related Left 4 Dead news, the Left 4 Dead 2 demo, which was previously restricted to Xbox Live Gold subscribers, is now open to silver subscribers too. Have at it, hoss.