BestStopDeals via eBay offers the refurbished iHome Portable Speaker System for iPod in four colors, model no. iHM9, for $12.95. With free shipping, that's $3 less than the lowest total price we could find for a new one. Notably, it isn't an actual iPod dock; it connects via the headphone jack. It runs on four AA batteries (not included).

No warranty information is provided.