Blutek via eBay offers the refurbished Jawbone Big Jambox Wireless Bluetooth Speaker in Graphite Hex (picture), White Wave, or Red Dot, model no. J2011, for $129.99 with free shipping. That's $50 under our March mention of a new unit and the lowest total price we could find for a refurb by $10. (It's also $50 below the lowest price for a new unit today.) Features include a microphone, 3.5mm jack, microUSB port, 33-foot wireless range, and up to 10 hours on a single charge.
Note: A 90 day warranty is included, although it's unclear who supports it.