Dull? Featureless? Industrial? Never. It's easy to be a design snob about black boxes. They may not make for the sexiest photos, but CNET's editors found dark blocks of hardware irresistible this week. From an ominously Vader-esque AV receiver to a portable gaming console that folds up into Batman's spare handbag, these understated beauties hold a lot of secrets. And we're here to spill them.