Wrapping things up tonight, Valve Software has announced that they'll be launching their Steam Cloud service alongside the Left 4 Dead demo later this week. This service is basically a feature update for Steam that allows you to store all your saved games, key bindings and various other settings online, so you won't lose them if you have to format or decide to install your games on a different PC. Sounds like a pretty sweet deal to me! Click here to learn more.