The Apple TV is not actually a TV: it is an entertainment center that allows you to access digital content in your actual TV. It can access online services such as Youtube, Netflix, and others, as well as access the iTunes store and content shared by a computer running iTunes on your local network. Let`s see what it can do."
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips