Lenovo offers its Lenovo Flex 20 Intel Haswell Core i5 1.6GHz 19.5" Touchscreen All-in-One Desktop / Tablet PC, model no. 57327087, for $1,049.99. Coupon code "USPFL287109" cuts it to $549.99. With free shipping, that's $500 off list and the best price we've seen for the Flex 20 with this CPU. This AIO desktop, which can also be used as a tablet, features an Intel Core i5-4200U 1.6GHz Haswell dual-core processor, 19.5" 1600x900 multi-touch LCD, 8GB RAM, 500GB hard drive, 802.11n wireless, Bluetooth 4.0, and Windows 8.1 64-bit. (It doesn't have an optical drive.) Deal ends October 22.