Not content to stop at a netbook and a pair of Ultrabooks, Lenovo just a slew of mainstream laptops (and even a desktop replacement) to fill out its consumer IdeaPad line. Starting at the high end, the Y480 and Y580 are both multimedia machines with brushed metal lids and palm rests, JBL speakers, an optional Blu-ray burner and Intel's Wireless Display technology. With either model, you can get up to 8GB of RAM and a Core i7 processor, though the two start to look a lot different when you take screen resolution an