Xbox 360 Commander Beta Rev. 22 is released. Xbox 360 Commander is a Windows utility to backup/restore, transfer on and format Xbox 360 hard drives.

Xbox 360 Commander Beta Rev. 22 Changelog:
* Rewritten Backup/Restore. Now has progress bar and should be more reliable.
* Faster transfer to HDD from PC.

Download: Xbox 360 Commander Beta Rev. 22
Source:Here