Dell today officially launched the Adamo XPS, the highest-end version of its designer ultraportable. The system is championed as the thinnest notebook ever and measures just 0.39 inches at its thickest point. Dell accomplishes the feat by tucking most of the computer components into the display section and relying on a unique hinge that opens underneath and acts as a built-in prop . In spite of its slimness, the notebook still has a removable battery, two USB ports and DisplayPort output but also weighs slightly more than its MacBook Air r