We realize keeping up with HP's model numbers can be as hard as keeping tabs on say, Lindsay Lohan's run-ins with the law, but the 5103 is notable in one major way -- it's one of the first netbooks to ship with Intel's dual-core Atom N550 processor. Like the 5102, the 5103 is still primarily aimed at business professionals. In fact, HP hardly messed with the look and feel of the aluminum dressed laptop -- the chassis and features are pretty much the exact same, although HP did ditch the black lid for an "Espresso" color and preload some new "Day Starter" insta
