Despite the newly released Apple TV's impressive improvements and easy-to-use interface, you don't need to limit yourself to renting flicks, or even wait for Google's new system to launch. If you don't mind a bit more work, and like having all of your content available on your nice, big HD screen, I can tell you how to set up a kick-ass home theater system using a Mac Mini, and a free software download called Plex. Follow along in this handy how-to and prepare to be entertained when you read more.