Walmart offers the 4.3-lb. Acer CB3-532-C47C Intel Celeron 1.6GHz 15.6" Chromebook for $179 with free shipping. That's $20 off and the best deal we could find, although we saw it for $30 less in August. It features:

Intel Celeron N3060 1.6GHz Braswell dual-core processor

15.6" 1366x768 LCD display

2GB RAM, and 16GB SSD

Chrome OS