Best Buy offers the Gateway NV5927u Intel Core i3 2.13GHz 15.6" Widescreen Notebook for $499.99 plus $14.99 for shipping. (In-store pickup is also available.) That's the lowest total price we could find by $69. Sales tax is added where applicable. This 5.8-lb. notebook features an Intel Core i3-330M 2.13GHz dual-core processor, 15.6" 1366x768 widescreen LCD, 4GB RAM, 320GB hard drive, Blu-ray disck reader / dual layer DVD burner, 802.11n wireless, Gigabit Ethernet, media card reader, HDMI port, webcam, 6-cell battery, and Windows 7 Home Premium 64-bit.

Update: It's since sold out online, but it's still available for in-store pickup in many locations.