Macware has updated DiskTools Pro
(http://www.macxware.com/site/products/DiskToolsPro/overview.html) or
Mac OS X to version 3.5.1. The upgrade is ready for Mac OS X 10.6
(“Snow Leopard”)>
DiskTools is a collection of utilities featuring bad sector detection
and repair, file defragmentation, S.M.A.R.T. monitoring and analysis,
bootable disk backup with automated scheduling, and more. It was
developed for Macware by Intech, a developer of disk utility software
used for testing and repair by major hard drive manufacturers.
DiskTools 35.1 is compatible with Mac OS X 10.3.9 or higher. It costs
US$79.99, though version 3.5.1 is a free update to registered users
of version 3.x.