A best bet is the Monster Cable BEATBOX by Dre Desktop Docking Station for iPhone / iPod (pictured), model no. 132715, for $329.97. With free shipping via 1-day delivery, that's the lowest total price we could find by $20. This dock features dual 5.25" long throw woofers, 2" tweeters, remote control, and more. It's compatible with most generations of iPhone and iPod.