It's a long shot, but the iPod nano might actually replace your current e-book reader device. That is of course only if you're a 100/100 vision sharpshooter. Tokyo-based company Voyager added support for the nano in the latest update of its
reader software "azur". Babelfish translation is a bit unclear about it, but from what I could gather it's currently only working if you also have an Apple Mac.