updated 11/5/2000
The Vatican's Website The official website of the Vatican... extensive information & news in several languages.
E-text version of the Douay-Rhemes Bible The Traditional Catholic version of the Bible, commissioned during the 16th century.
Catholic Online Catholic information, forums, articles, news, online stores, etc.  Good site, but not really focused.
New Advent Catholic encyclopedia, and tons of links to Catholic sites.  Includes entire hypertext of the Summa Theologica.