Houdah Software (http://www.houdah.com/) has updated HoudahGeo, a geocoding solution for the Mac, to version 2.5.6. The new version now supports Lightroom 3 and has been updated to use GPSBabel 1.4.1.
HoudahGeo costs US$30 for a single-user license for new users. Version 2.5.6 is a free update for registered users. HoudahGeo requires Mac OS X 10.4.8 or higher.