Fileplanet is now giving AoC open beta keys to anyone who is registered, free accounts are eligible too.
You may receive a refresh error for awhile, what I did was hit backspace and keep trying again till it finally went through.
*Click on 'Join the Beta'*
Age of Conan Beta on FilePlanet
Torrent to download client if you don't want to wait for the Fileplanet downloader:
Age of Conan Fileplanet Open Beta UNZIPPED - Torrent Reactor NET