If you prefer to ingest your notebook news in bite-sized pieces, you won’t enjoy the feast that Asus just laid out one bit. Answering MSI’s ultra-sleek X-Slim family is Asus’ U Series, a rather attractive line of new machines aimed to be lightweight and highly fashionable, not to mention useful. In Asus’ words, these provide both form and function, not one or the other.The lineup includes no fewer than seven machines, all of which are powered by Intel’s Core 2 Duo or Ultra Low Voltage (ULV) processors. You’ll