MegaMacs offers the refurbished Apple MacBook Intel Core 2 Duo 2.1GHz 13.3" Laptop in White, model no. MB402LL/A, for $139.99 plus around $20 for shipping. That's $9 under our mention of a used unit from last month and the lowest total price we've seen. (It's also a current price low for a refurb by $15.) Features include an Intel Core 2 Duo T8100 2.1GHz dual-core processor, 13.3" 1280x800 LCD, 2GB RAM, 120GB hard drive, DVD/CD-RW combo drive, 802.11n wireless, Bluetooth, and Mac OS X (it's unclear which version). Deal ends September 2.

Note: This is a grade "B" model and may have minor chips/cracks to the case and faint wear to the screen. A 30-day MegaMacs warranty applies.