Groupon offers the factory-refurbished 2.4-lb. Acer CB3-111-C8UB Intel Bay Trail Celeron 2.16GHz 11.6" Chromebook, model no. NX.MQNAA.003, for $99.99 with free shipping. That's $15 under our mention from two weeks go and within a buck of the lowest total price we've seen. (It's also $66 less than the best price we could find for a new unit today.) It features an Intel Celeron N2830 2.16GHz Bay Trail dual-core processor, 11.6" 1366x768 LED-backlit LCD, 2GB RAM, 16GB flash memory, 720p webcam, 802.11ac wireless, Bluetooth 4.0, USB 3.0, 3-cell battery, and Google Chrome OS. A 90-day Acer warranty applies.