Microsoft Store offers the 5.6-lb. Lenovo Flex 2 Intel Haswell Core i7 2GHz 15.6" 1080p Touchscreen Laptop in Black for $649 with free shipping. That's $50 under our mention from two weeks ago and the lowest total price we've seen. (It's a current price low by $108.) It features an Intel Core i7-4510U 2GHz Haswell dual-core processor, 15.6" 1920x1080 LED-backlit touchscreen LCD, 8GB RAM, 500GB hard drive with an 8GB SSD, DVD burner, 802.11n wireless, Bluetooth 4.0, webcam, 4-cell battery, and Windows 8.1 64-bit.