Microsoft Store offers the 2.9-lb. Acer Aspire Intel Haswell Core i5 1.6GHz 13.3" Touchscreen Laptop in Crystal White, model no. S7-392-6425, bundled with a Microsoft Office 365 Home Edition for Windows 1-Year subscription for $948.99 with free shipping. That's $450 off and the lowest total price we could find. Features include an Intel Core i5-4200U 1.6GHz Haswell dual-core processor, 13.3" 2560x1440 IPS touchscreen LCD, 8GB, 256GB SSD, 802.11n, Bluetooth, HDMI, USB 3.0, 4-cell battery, and Windows 8.1 64-bit. (It doesn't include an optical drive.)

Note that you can purchase the laptop alone for $899. (Choose "PC only".)