Dark Hater is running an article that they have talked to Jake Neri, Producer at LucasArts and has stated that the last two classes will be force users with the titles of "Sith Inquisitor" and "Jedi Consular". There really is no more real detail then that but they will be releasing more information about the classes in the month of December.. What a hell of a christmas present for everyone anticipating the launch of this game.

-- UPDATE --

Here is some further information that our brothers over at nsftor.com found - good find ArkonPhoenix

Jedi Consular
- ranged class, but also uses Lightsaber
- has skills like:
"Shock"
"Lightning Bolt"
"Overload" (AOE knockback and stun)
"Execute"
"Whirlwind"
"Dark Gift"
"Call Shuttle"
"Dark Meditation"

Sith Inquisitor
- ranged class, but also uses lightsaber
- can be speced as Healer OR Damage
-skills like:
"Sleep"
"Lift Up"
"Devastate"
"Foce Push"
"Reflect"

Below you will find a link to the full article.

Dark Hater
Sith Inquisitor & Jedi Consular