Staples offers the 5.8-lb. Asus Intel Haswell Core i5 Dual 1.7GHz 15.6" 1080p Flip Convertible Laptop, model no. TP550LA-RHI5T01, for $399.99 with free shipping. That's the lowest total price we could find by $250. It features an Intel Core Haswell i5-4210U 1.7GHz dual-core processor, 15.6" 1920x1080 touchscreen LCD with 360-degree flip mode, 6GB RAM, 1TB hard drive, USB 3.0, HDMI, 802.11n wireless, and Windows 8.1.