Extensis today released Suitcase 10.1, a new version of its font management utility that adds support for Mac OS X. Suitcase 10.1 allows Mac OS X users to view fonts in all Mac OS X font directories, and activate or de-activate fonts in Cocoa, Carbon and Classic applications. The update is available as a free download to Suitcase 10 users; Suitcase sells for US$99.95. Upgrades from previous versions are $49.95, while the competitive upgrade is priced at $59.95.