The Town Paper lists links to new urbanist neighborhoods. Few are whole new towns: http://www.tndtownpaper.com/
neighborhoods.htm
The Alicia Patterson foundation awards grants to journalists. A 1971 recipient was Leonard Downie Jr, later executive editor of the Washington Post. His fellowship reports contain many entries on new towns: http://www.aliciapatterson.org
/APF001971/Downie/Downie.html