Groupon offers the factory-refurbished 4.9-lb. Acer 15.6" Intel Broadwell Celeron 4GB Chromebook in Linen White, model no. CB5-571-C4G4, for $174.99. Coupon code "EXTRA15" cuts it to $148.74. With free shipping, that's $26 under our mention from two weeks ago and the lowest total price we've seen for this system. (It's also $130 under the best price for a new unit today.) It features an Intel Celeron 3205U 1.5GHz Broadwell dual-core processor, 1920x1080 (1080p) IPS LCD, 4GB RAM, 16GB SSD, SDXC card reader, Bluetooth 4.0, 802.11ac, webcam, and Chrome OS. A 90-day Acer warranty is provided. Deal ends February 10.