As we collect more and more television-related gadgets, the number of remote controls expands until we find ourselves fumbling with four or five remotes trying to find the right one for the task at hand. That's where Logitech's line of Harmony Remote Controls comes in. They promise to control several devices to make watching TV, playing a DVD, or listening to music possible with one-click on one remote. We took a look at the Harmony 650 remote to see if it delivered on this promise.