MegaMacs offers the refurbished 5-lb. MacBook Intel Core 2 Duo 2GHz 13.3″ Widescreen Notebook (pictured), model no. MB881LL/A, for $399.99 plus around $17 for shipping. That’s a buck under our refurb mention from September and $171 less than the lowest total price we could find for a refurbished system elsewhere. It features an Intel Core 2 Duo 2GHz dual-core processor, 13.3″ 1280×800 widescreen LCD, 2GB RAM, 120GB hard drive, Airport Extreme (802.11n wireless), Bluetooth 2.1+EDR, NVIDIA GeForce 9400M 256MB video card, and Mac OS X 10.7 Lion.

Also available is the refurbished Apple MacBook Intel Core 2 Duo 2.13GHz 13.3″ Laptop, model no. MC240LL/A, for $439.99 plus around $17 for shipping. That’s a buck under our refurb mention from September and the lowest total price we could find by $160. (It’s also a current price low by $5.) It features an Intel Core 2 Duo 2.13GHz dual-core processor, 2GB RAM, 160GB hard drive, and otherwise the same specs as the above laptop.

A 30-day MegaMacs warranty applies.