NeweggFlash offers the refurbished 2.87-lb. Sony VAIO Duo 13 Intel Haswell Core i5 1.6GHz 13.3" Touchscreen Laptop in Carbon Black, model no. SVD13213CYB, for $779.99 with free shipping. That's $119 under our March mention of a new unit, and the lowest total price we could find. It includes a digitizer stylus and features an Intel Core i5-4200U Haswell 1.6GHz dual-core processor, 13.3" 1920x1080 touchscreen LCD, 4GB RAM, 128GB SSD, 802.11n wireless, Bluetooth 4.0, webcam, USB 3.0, HDMI, and Windows 8. (No optical drive is included.) Deal ends October 31.
A 90-day warranty applies, but it's unclear who backs it.