When I first laid eyes on the Logitech Craft wireless keyboard ($299.95) I thought, "What a funny little round boy. Whoever designed this really likes circles." Circled edges, circular dents to cup your fingertips. But the most important circle of all is the creative dial input - a touch-sensitive dial that adapts to whatever app you're using to give control and improve your workflow. Or, as I like to call it, The Knob.