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For those unfamiliar with Steam, it's a service that delivers popular gaming titles directly to your computer as a download so that you don't have to pick up a physical box with installation DVDs. It's the equivalent of "video on demand" for gamers, where instant gratification combined with a large selection of titles makes for a compelling PC gaming experience -- and soon a compelling experience on the Macintosh platform as well.
Check out the video below and let us know: Are you looking forward to Steam on the Mac? What games are you most looking forward to playing?