For today only (4/7/09) TigerDirect.com is offering the PowerStick universal USB portable charger (model no. P1V2) for $49.99, which is $30 off the list price of $79.99.  Shipping rates start at $6.99 and vary by method of delivery.  Sales tax applies for residents of FL, IL, TX, and NC.
 

The PowerStick universal USB portable charger charges cell phones, PDAs, iPods, digital cameras and more on the go.  The USB charger plugs into a USB port on a notebook computer and redirects power from the battery to whatever device is plugged into the other end.  A variety of connectors make it compatible with a wide variety of mobile devices.  It is backed by a one year limited warranty on parts and labor from PowerStick.  Dimensions: 0.98" x 4.33" x 0.51"