aSavings via eBay offers the Jensen Docking Speaker for Apple iPad, iPod, and iPhone, model no. JIPS-250I, for $47.99 with free shipping. That's the lowest total price we could find by $2; most places charge over $60. It features an adjustable dock, two built-in speakers, remote control, and more.
Jensen JiPS-250i Docking Station for iPad, iPod, and iPhone (Black) (77283972515) is also available at these stores