Toshiba 17.3″ L555D-S7005 Laptop for $549.99 shipped. Here is a screenshot for your reference. It features an AMD Turion II dual-core M520 CPU at 2.3GHz, 17.3″ LCD at 1600 x 900 resolution, 4GB RAM, 320GB drive, wireless 802.11b/g/n, DVD burner, Windows 7 Home Premium 64-bit. Note that given its size and weight, this is more like a very portable desktop than a true lightweight laptop. Most places have it for about $619 or more.