There's a short article about OSM on 'heise online' today:

German version: http://www.heise.de/open/OpenStreetMap-hat-ueber-100-000-registrierte-Benutzer--/news/meldung/134786
English version: http://www.h-online.com/open/OpenStreetMap-surpasses-100-000-registered-user-accounts--/news/112868

Maybe this attracts some new contributors...