Acer 15.6" Aspire AS5560G-SB485 Laptop for $519.99 shipped.  Here is a screenshot for your reference.  It features a AMD quad-core A8-3500M Accelerated Processor with Radeon HD 6470G, 15.6" LED-backlit LCD at 1366 x 768 resolution, Gigabit Ethernet, dual-layer DVD burner, wireless-N network connectivity, 6-cell lithium-ion battery, Winodws 7 Home Edition (64-bit) and more.