Filed under: DesktopsLenovo's first US consumer-oriented laptops might have hit yesterday, but the company isn't about to ignore its core office users -- say hello to the Death Star prop-looking 3000 tower. The unit gets its distinctive mug from the integration of a couple nifty power-management features, including a "Power Dial" that allows users to adjust energy usage and system performance and a "Breathing" LED that changes color and brightness based on power usage. All models rock gigabit Ethernet and Intel X3100 graphics, but buyers can choose configs rang