Always.Deals via eBay offers the refurbished Apple MacBook Air Intel Broadwell Core i5 1.6GHz 11.6" Laptop in Silver for $499.99 with free shipping. That's $50 under our mention from a month ago and the lowest price we've seen. (It's also $240 less than you'd pay for a new one today.) It features an Intel Core i5-5250U 1.6GHz Broadwell dual-core processor, 11.6" 1366x768 (720p) LED-backlit LCD, 4GB RAM, 128GB SSD, 802.11ac wireless, Bluetooth 4.0, USB 3.0, Thunderbolt, and OS X 10.10 (Yosemite).

Note: No warranty information is provided, but the seller offers a 14-day return policy. The item will show signs of wear.