We have the brand new intro cinematic for Tabula Rasa - released this morning - in our video section. NCSoft has also released information on the second planet in the Tabula Rasa universe, called Arieki.
There's also a guide direct from NCSoft which takes a look at the planet, as well as some screenshots and concept art giving a brief look into...
There's no official version of this yet but Burning Crusade's intro video has appeared on YouTube after it was shown at the Spike TV 2006 Video Game Awards. The quality is not great but if you just can't wait for the proper version, here it is: