Hyberbolic Software (http://www.hyperbolicsoftware.com) has released Tidy Up! 2.2.3, the latest version of their disk, file and folder processing utility for Mac OS X.
Tidy Up! can find duplicate files and packages using any criteria. Version 2.2.3 addsthe possibility to search for empty song tags within all supported tag information.
Tidy Up 2.2.3 requires Mac OS X 10.5 (“Leopard”) or higher. Upgrades from version 1.x are $20, and upgrades from version 2.x are free.