TekDeals via eBay offers the refurbished Apple MacBook Pro Intel Ivy Bridge Core i5 2.5GHz 13.3" LED-Backlit Laptop in Silver for $529.99 with free shipping. That's the lowest price we could find for a refurb today by $121, although we saw it for $20 less in November. (It's also $380 under the best deal we could find for a new one.) Features include an Intel Core i5-3210M 2.5GHz Ivy Bridge dual-core processor, 13.3" 1280x800 LED-backlit LCD, 4GB RAM, 500GB hard drive, SuperDrive DVD burner, AirPort Extreme (802.11n wireless), Bluetooth 4.0, Gigabit Ethernet, USB 3.0, Thunderbolt, and Mac OSX 10.10 (Yosemite). Deal ends April 23.
No warranty information is provided. Note that this item will shows signs of previous usage, such as dings or dents.