From Boomerang Data Recovery:
Recovers lost data due to corruption, formatted disk, bad hard drive, deleted files, accidental re-install of os. Will recover from hard drives, flash media, FireWire, USB drives, RAID (0/1) Disk Arrays. Recovers HFS/HFS+, NFS, & FAT 16/32 Volumes.
What's new in this version:
Misc. enhancements and improvements, OS compatability