The HP Pavilion dv6z Quad Edition series laptop drops from $649 to $549 after instant rebate. Add code NBC6638 at checkout to reduce the price to $519. Plus, get free shipping. This is the best price we've seen on this model. Click "Customize and Buy" next to "Base Configuration," add it to your cart, and apply the coupon to see the correct price.This customizable laptop offers 6GB of memory, 640GB hard drive, and a 15.6" screen. Sales tax is charged in most states.