PC Liquidations offers the refurbished Dell OptiPlex 3010 Intel Sandy Bridge i3 3.3GHz Desktop PC for $69.99 plus around $13 for shipping. Features include an Intel Core i3-2120 3.3GHz Sandy Bridge dual-core processor, 2GB RAM, 250GB hard drive, and a CD-ROM drive. (No operating system is included.) Limit two per customer. Deal ends January 1.

Note: A 90-way warranty is included but it's unclear who backs it.