Microsoft Store offers the Acer Aspire Switch 10 Intel Atom 1.33GHz 10.1" Touchscreen Convertible Laptop for $299 with free shipping. That's tied with our Black Friday mention and the lowest total price we could find now by $50. Usable as a notebook or tablet, it features an Intel Atom Z3735F 1.33GHz quad-core processor, 10.1" 1280x800 touchscreen IPS LCD, 2GB RAM, 64GB SSD, 802.11n wireless, Bluetooth 4.0, micro HDMI and micro USB (located on the tablet), USB 2.0 (on the keyboard), 2-cell battery, and Windows 8.1.
Order by today (December 19) at 1 pm ET to get guaranteed Christmas delivery.
Update: Specs corrected