UPDATE - 13th. August 2010 (Jedi Knight Update)

Taken from swtor.com:

Quote :: As part of our ongoing class updates, we are thrilled to confirm the Advanced Classes for the valiant Jedi Knight – Guardian and Sentinel! Whether you want to defend the weak and inspire your allies to amazing feats as a Guardian or learn the art of using two Lightsabers simultaneously to create an intricate web of damage as a Sentinel, the Advanced Class system in Star Wars™: The Old Republic™ will help you customize your character. Check out the Jedi Knight section on the HoloNet for more information! Check out the media section to see a new video of the Jedi Knight in action, and download some never-before-seen screenshots!

We’ve also updated the Biography section with someone indispensable to the Jedi Knight – Astromech T7-01! Visit the HoloNet to learn about this known associate from the Jedi Knight holorecord, or by accessing the T7-O1 biography.

You'll also notice that the playable Miraluka species are now in the Inhabitants section.