I'm still here Darth Revan33, I just went on holiday for a bit. By the way, nice post, well layed out.
However, about Malak saying that he didn't think it was possible for Revan to get any stronger than he was, well thats nice and all, but Malak was not the best judge. He hadn't been sith lord that long, and maybe never even saw Revans full power. Yes Revan was incredible, but I'm not sure how much stronger he would have been at the end of KotOR than he was before, because remember beofre he did have all that knowledge.
And about never seeing Revans full powers, good point (by the way, does anyone know when KotOR 3 is coming out), but we never really saw Exars full powers either. Yes he is now dead, but he was faced against over a thousand jedi, nobody could stand against that. However, what we did see of Exar was more impressive battle wise than Revan, Revan may have more brains, but battlewise, what we know of Exar is more impressive.
Kun was able to walk into the heart of the republic senate, freeze them all, kill their leader and a jedi master, and walk out, nobody could do a thing. This is in the heart of the jedi order! He was also able to kill a beast which is probably very similar to a terentek, or better, with very few problems. Exar was also able to walk into another jedi stronghold (Ossus), kill more jedi, steal the artifacts, and walk out again, unharmed. He was also able to destroy Freedon Nadd with no problems.
Now, lets go over what Revan did in combat (not tactics). He was able to kill Mandalore, Yusanis, 4 terentek (2 at the same time), Ajunta Pall's spirt, dozens of sith on the star forge, Darth Bandon and Darth Malak, that we know of. I'm not counting the troopers becuause I think we all agree that any sith lord could deal with troopers, the fact that Revan killed dozens doesn't really matter.
Now, that is an impressive list, however, I again think we can all agree that Exar could have killed Mandalore and Yusanis. I'm just guessing, but I will say that the beast he killed is the equal to a terentek, and since Revan had help on some of the others, I think Exar could have done that too. About Ajunta Pall's spirt, well this is difficult, we don't know who is stronger, Nadd or Pall, however I do think Pall. But to defeat him, Revan did have 2 other people with him, 2 people that Exar didn't have when he killed Nadd. Not sure who you had with you when you killed Pall, but I had Candarous and Hk-47. Now if Exar had an assassin droid and a mandalorian with him, I think he could have killed Ajunta as well. Now, we reach the sith section, I will just discount the dozens of sith on the star forge, I think that any decent sith lrod could have done that. Bandon, again the same thing, he was an apprentice so any decent sith lord could kill him. Now Malak, a good fight, but I think that if him and Exar were to meet, Exar would blow what remains of his jaw off. So really, from what we have actually seen of Revan in combat, Exar (or most other sith) could have done that as well. Not saying Revan's bad, hes very powerful. But, he's more of a tactician.
If this were just brains, Revan, but in battle, Exar, though it would be close.