Amazon offers the used 4.7-lb. Asus Intel Celeron 2.16GHz 15.6" Laptop, model no. X551MAV-EB01-B, for $176.87 with free shipping. That's $13 below last week's mention of a new unit and the lowest total price we've seen for this model. (Outside of the deal below, it's also $72 under the best price we could find for a new unit today.) Features include an Intel Celeron N2830 Bay Trail 2.16GHz dual-core processor, 15.6" 1366x768 LED-backlit LCD, 4GB RAM, 500GB hard drive, 802.11n wireless, 3-cell battery, and Windows 8.1 64-bit. It lacks an optical drive.

Note: No warranty info is provided.

Don't want a used unit? For in-store pickup only, Micro Center still offers it new for $189.99.

Update: Prices now start from $174.74.