ive seen a lot of ppl asking this question so i figured id let you all know, incase u havent heard the great news yet, that they ARE plannin on making KOTOR III. saw this link on another sites forum and figured id share it.
http://driving.joystiq.com/2006/11/28/kotor-franchise-to-continue/
i would definetly say Sith Lord, because once you get to middle of game, you are a GOD!!! imagine being swarmed by a lot dark jedi and killing them all in 1-2 turns only!! lightning storm and like i said, ur a GOD!!!