Amazon offers preorders of the 3.8-lb. HP Pavilion x360 13-s128nr Intel Skylake Core i5 2.3GHz 13.3" 1080p Touchscreen 2-in-1 Laptop in Silver for an in-cart price of $614.99 with free shipping. That's $105 off list and the lowest total price we could find. It functions as a laptop or tablet and features an Intel Core i5-6200U 2.3GHz Skylake dual-core processor, 13.3" 1920x1080 (1080p) IPS LED-backlit touchscreen LCD, 8GB RAM, 128GB SSD, 802.11ac wireless, and Windows 10.
Note that it's unclear when this laptop will be shipped.