This is one of my most used utilities. Easier and quicker than Ghost it's saved
my bacon more than once when I needed to revert to a prior version of a file.
The best $35 I ever spent. Highly recommended.
FolderMatch makes it quick and
easy to compare and synchronize the contents of any two files or folders.
Whether you're trying to keep files and folders organized on a desktop computer,
performing backups to removable disks, synchronizing rapidly changing laptop
data with your main computer, or doing network file maintenance, FolderMatch
offers one-button synchronization for the novice, and a range of sophisticated
tools for the advanced user.