To a certain extent, your computer's only as good as the stuff you plug into it. Give yours more than a face lift with these add-ons we've been eyeing. The Printstik, above, is just one of the thoughtful and well-designed peripherals debuting at CES. Check out some more, after the jump.—Abby Seiff

Unless you are a representative of a national meteorological bureau licensed to carry a barometer (and odds are you’re not), bringing mercury onboard an airplane is strictly forbidden. Why? If it got loose, it could rust the plane to pieces before it had a chance to land. You see, airplanes are made of
aluminum, and aluminum is highly unstable.