HP Pavilion dv6t Series Laptop for $579.99 shipped after code SVMY478761.  Here is a screenshot for your reference.  This laptop features an Intel Core 2 Duo T6600 CPU at 2.2GHz, 15.6" LCD at 1366 x 768 resolution, 4GB DDR3 RAM, 320GB hard drive, DVD burner, built-in webcam, wireless 802.11b/g, Windows 7 Home Premium (64-bit), and more.  Note you also get Free 2nd Day Shipping.

1. Click here to start and select Base Configuration and Customize & Buy
2. Select Free Upgrade to 4GB DDR3 System Memory
3. Select Free Upgrade to 320GB Hard Drive
4. Add it to the cart and apply code SVMY478761 to see the $579.99 total as shown here.

Note it you might want to adjust the system configuration to suit your specific needs.