Tanga offers the refurbished Apple MacBook Intel Core 2 Duo 2.26GHz 13.3" Laptop, model no. MC207LL/A, for $159.99 with free shipping. That's $39 under our refurb mention from February and the lowest price we could find for a refurb now by $55. It features an Intel Core 2 Duo P7550 2.26GHz dual-core processor, 13.3" 1280x800 LED-backlit glossy LCD, 2GB RAM, 250GB hard drive, DVD burner, 802.11n wireless, Bluetooth, Gigabit Ethernet, iSight webcam, and Mac OS 10.11 El Capitan.
A 90-day warranty applies, although it's not clear who backs it.