Microsoft Store continues to offer the 2.87-lb. Sony VAIO Duo 13 Intel Haswell Core i5 1.6GHz 13.3" Touchscreen Laptop, model no. SVD13223CYB, for $899 with free shipping. That's $500 off and tied with our mention from a month ago as the best price we've seen for a Sony VAIO Duo 13. It includes a digitizer stylus and features an Intel Core i5-4200U 1.6GHz Haswell 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 8.1. (No optical drive is included.)