My Fave Electronics via eBay offers the refurbished 4.5-lb. Apple MacBook Pro Intel Ivy Bridge Core i5 2.5GHz 13.3" LED-Backlit Laptop in Silver for $475.84 with free shipping. That's $54 under our April refurb mention, the lowest price we could find by $23, outside of the deal below, and the best price we've seen. 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 10.8 (Mountain Lion).

A close price: Tek Deals via eBay has it for $479.99 with free shipping; however, stock is limited.

Note: It includes a third-party charger and a 60-day warranty, although it's unclear who backs it.