newegg offers the "Grade B" refurbished Apple MacBook Intel Core 2 Duo 2.26GHz 13.3" LED-Backlit Widescreen Notebook, model no. MC207LL/A, for $449.99 with free shipping. That's $13 under our mention from a month ago and the lowest total price we've seen for this MacBook with any sort of warranty. This unibody MacBook features an Intel Core 2 Duo P7550 2.26GHz dual-core processor, 13.3" 1280x800 LED-backlit glossy display, 2GB RAM, 250GB hard drive, 8x SuperDrive, Multi-Touch trackpad, GeForce 9400M GT graphics, 802.11n, Bluetooth, Gigabit Ethernet, iSight webcam, and more.

A 90-day warranty applies, but it's not clear who backs it.