Lenovo offers the 3.5-lb. Lenovo ThinkPad S1 Yoga Intel Haswell Core i3 1.7GHz 12.5" Touchscreen Ultrabook, model no. 20CDCTO1WW, for $854.10 with free shipping. That's $95 off list and the lowest total price we've seen for a Core i3-equipped Yoga. It features an Intel Core i3-4010U Haswell 1.7GHz dual-core processor, 12.5" 1366x768 multi-touch LCD, 4GB RAM, 500GB hard drive and 16GB SSD, 802.11n wireless, Bluetooth 4.0, webcam, media card reader, USB 3.0, HDMI, and Windows 8.1. Deal ends August 6.