You can try AVCWare iPod to iPod/Computer/iTunes Transfer.
With it you can:
1: Transfer iPod files to Computer
2: Transfer iPod files to new iPod
3: Transfer iPod files to iTunes
4:Transfer local files to iPod without iTunes
5: Manage your iPod like a movable hard drive and transfer ipod videos/photos/music between iPod and iPod, iPod and computer/laptop, ipod and itunes.
You can find it here:
http://www.topmediasoft.com/ipod-transfer-avcware.html
this iPod to iPod/computer/iTunes transfer fully supports the latest iPhone OS 3.0, iPhone 3GS, iPod touch FW 3.0, and iTunes 8.2.
It is easy to use and you can try it now.