Logitech Pure-Fi Anywhere 2 Speaker System for $79.99 shipped. Here is a screenshot for your reference. It supports iPhone and all iPod models with a 10-pin dock connector and features a built-in, rechargeable battery that lasts for 10 hours on a single charge and a AC adapter works on most electrical power grids worldwide. Most places have it for about $129.
This deal has expired as the price has been raised. Congratulations to those able to get in on it.