Dantz today announced the release of Retrospect 5.0 for Mac OS X, the latest version of its popular software for backing up and restoring volumes. Retrospect 5.0 is currently available in English for US$249.95, with upgrades priced at $119.95. Retrospect Express, a lite version of the software, sells for $79.95, with upgrades priced at $19.95. French, German and Japanese language versions will be available in the second quarter.