Houdah Software (http://www.houdah.com/) has updated HoudahGeo, a geocoding solution for the Mac, to version 3.0. The upgrade sports a new, all-in-one-window interface, improved performance, and support for more GPS devices.
HoudahGeo costs US$30 for a single-user license for new users. Upgrades from HoudahGeo 2.0 start at $12 and are sold in-app. HoudahGeo requires Mac OS X 10.6 or higher.