HP Home & Office Store offers the 2.5-lb. HP Split x2 13-r010dx Intel Haswell Core i3 1.5GHz 13.3" LED-Backlit Touchscreen Convertible Laptop, model no. G6Q88UA#ABA, for an in-cart price of $549.99. Coupon code "PC599Q4 " drops it to $524.99. With free shipping, that's $75 off list and the least expensive new Split x2 laptop we've seen. This convertible touchscreen laptop can be detached from the keyboard to function as a tablet and features an Intel Core i3-4012Y 1.5GHz Haswell dual-core processor, 13.3" 1366x768 LED-backlit touchscreen LCD, 4GB RAM, 500GB hybrid drive with 8GB flash cache, 802.11n wireless, Bluetooth, USB 3.0, webcam, 2-cell battery, and Windows 8.1 64-bit. (It lacks an optical drive.)