Alsoft released DiskWarrior 4 on Wednesday, adding Intel Mac compatibility to the Mac OS X system maintenance utility. In addition to Universal Binary support, the new version also offers improved performance, fixes invalid file permissions, adds new file and folder tests, locates corrupt Preference files, repairs and rebuilds FileVault directories, and more. It requires Mac OS X 10.3.9, or 10.4 or higher.
DiskWarrior 4 is priced at US$99.95. Upgrades from earlier version cost $49.95.