Newegg via eBay offers the 4.62-lb. Lenovo G50-80 Intel Haswell Core i5 2.2GHz 15.6" Laptop, model no. 80E501U3US, for $419.99 with free shipping. That's the lowest total price we could find by $79. It features an Intel Core i5-5200U 2.2GHz Haswell dual-core processor, 15.6" 1366x768 LED-backlit LCD, 6GB RAM, 500GB hard drive, 802.11n wireless, Bluetooth 4.0, DVD burner, 4-cell battery, and Windows 8.1.