Ending today, Microsoft Store offers the 5.1-lb. Lenovo IdeaPad Flex 2 Intel Haswell Core i7 2GHz 14" Touchscreen Laptop in Black, model no. 59423166, for $649 with free shipping. That's $50 under our mention from five days ago and the lowest total price we could find by $70. It converts into a touchscreen tablet and features an Intel Core i7-4510 2GHz Haswell dual-core processor, 14" 1920x1080 (1080p) touchscreen LCD, 8GB RAM, 500GB hard drive with an 8GB SSD, 802.11n wireless, Bluetooth 4.0, 720p webcam, 4-cell battery, and Windows 8.1 64-bit.