Griffin PowerBlock Reserve iPhone/iPod AC Charger & Battery Pack

Griffin have introduced their new PowerBlock Reserve AC Charger and
Rechargeable Backup Battery device for use with both Apple's iPhone and
iPod which allows you to charge both your iPhone/iPod whilst also
charging the integrated battery unit thus offering 'twice as much use
out of every time you charge'.
Apart from serving to top up your iPhone/iPod's charge when the juice is
running low, the Griffin PowerBlock Reserve will additionally happily
charge other gadgetry such as other MP3/PMP players or any other gadget
that can be charged via USB (thanks to the PowerBlock Reserve sporting
USB connectivity) and will set you back just shy of $40 or can be
purchased as a bundle with Griffin's PowerJolt Reserve USB car charger.