NeweggBusiness offers the 4.6-lb. Lenovo G50 Intel Haswell Core i7 2GHz 15.6" Laptop, model no. 59421808, for $549.99 with free shipping. That's $10 under our mention from two weeks ago and the lowest total price we've seen. (It's also a current low by $75.) It features an Intel Core i7-4510U 2GHz Haswell dual-core processor, 15.6" 1366x768 LED-backlit LCD, 8GB RAM, 1TB hard drive, 802.11n wireless, Bluetooth 4.0, 4-cell battery, and Windows 8.1.