Lenovo offers the 3.8-lb. Lenovo ThinkPad Helix Intel Ivy Bridge Core i5 1.8GHz 1080p 11.6" Convertible Touch Ultrabook, model no. 3697CTO, for $699.99 with free shipping. That's $549 under our September mention and the lowest total price we've ever seen for a Lenovo Helix. It converts into a touchscreen tablet and features an Intel Core i5-3337U 1.8GHz Ivy Bridge dual-core processor, 11.6" 1920x1080 LED-backlit LCD, 4GB RAM, 128GB SSD, 802.11n wireless, Bluetooth 4.0, 2-megapixel front camera, 5-megapixel rear camera, 3-cell battery, and Windows 8 Professional 64-bit. Deal ends November 30.