Eventually we'll store everything online and never have to worry about managing our files at home. But until that day is here, computer users who want to centralize and simplify their media archives have another choice: NAS. Formerly the realm of IT wonks, networked attached storage puts a fat hard drive on your LAN instead of in your laptop. While these little black boxes look a lot alike—and performance is largely determined by your network, not drive RPMs—their capabilities and ease of use can vary a lot.