Altatac via Walmart offers the refurbished 4.4-lb. Acer C710-2815 Intel Celeron 1.1GHz 11.6" Chromebook, model no. NU.SH7AA.013, for $99.95 with free shipping. That's $170 off and the lowest total price we could find. It features an Intel Celeron 847 1.1GHz Sandy Bridge dual-core processor, 11.6" 1366x768 LED-backlit LCD, 4GB RAM, 16GB SSD, 802.11n wireless, HDMI, 6-cell battery, and Chrome OS.
A 90-day warranty applies, although it's unclear who supports it.