In my opinion this is the best ipod backup software

ImTOO iPod Computer Transfer is premium iPod transfer software for iPod music, video and photo transferring. It can transfer iPod music, videos and photos from iPod to computer (iPod to PC), backup iPod to PC quickly and smoothly. And concurrently, it's also a computer to iPod transfer tool which can transfer iPod music, videos and photos from PC to iPod.
ImTOO iPod Computer Transfer - transfer music from iPod to computer
Click image to enlarge


* Featuring multiple functions, ImTOO iPod Computer Transfer is a perfect, easy to use iPod transfer and iPod backup tool between iPod and computer for iPod user like you.
* This iPod backup software helps you transfer iPod, iPhone music, video, photo, and podcast to computer local disk, back up iPod to PC, and vice versa. Moreover it supports file transfer from iPod to iTunes.
* ImTOO iPod to computer transfer can copy and transfer music/videos among several iPods. With ImTOO iPod Computer Transfer, you will find connecting your iPod, iPhone and computer is so easy!
* It supports not only importing photos from PC to iPod, but also exporting photos from iPod to PC.
* It can be easily used like a portable hard disk to manage your iPhone content, import and export files between iPhone and PC.
* All functions for iPod are applicable to iPhone as well.