for the people that have come by, you've probly seen that usb battery recharger thingy i have, used it alot for the wii when it came out.
i've something to cut the middle man out
http://www.engadget.com/2006/09/19/usbcell-batteries-feature-built-in-usb-plug/ its a old story, but the cheaper "over seas made" models have started to emerge
http://www.engadget.com/2007/10/16/rechargeable-usb-battery-works-in-aa-ready-devices/