GearXS via eBay offers the refurbished Logitech Z506 5.1-Channel Surround Sound Speaker System, model no. 980-000430, for $52.99 with free shipping. That's the lowest total price we could find by $8, although it was $3 less three weeks ago. (It's also $27 under the best we could find for a new one.) Features include 75 watts RMS of total power, down-firing subwoofer, 45Hz to 20kHz frequency response, 3.5mm audio input, and more.

No warranty information is provided.