Blair Technology Group via eBay offers the refurbished Dell Optiplex Intel Core 2 Duo 1.8GHz Desktop PC with a 19" LCD Monitor for $189.64 with free shipping. That's $85 under a similar build elsewhere, and a very low price for a complete desktop system. Features include an Intel Core 2 Duo 1.8GHz dual-core processor, 4GB RAM, 250GB hard drive, DVD-ROM, and Windows 7 Home Premium.

A 1-year Blair Technology Group warranty applies.