Maybe this was alreay said on other posts, but I did not read all of them, as there are too many...
I wanted to say that I did not really see impacts of me being bad (or good) in the game (light/dark side).
On the same point of view, as a Sith, I get to the dark council at the end. Yet, I dont see any impact from this on the game : as an example the npc Siths talk to me the same way, while they should have the utmost respect for me and they should fear me (as another example, a member of the dark council would instantly kill Darth Synar if she spoke to him like she does to me when I take and return the daly quest, so she should change the way she talks to me as I am a member of the dark council).
Again on the same point of view, my companions use the same lines to talk to me when I right-click on them, even when they reach 10k affection... Why the heck is Khem Val so disrespectfull (he still talks to me like I am a crappy ''little sith'') even after I had that cool ceremony scene where he says I am really hot and powerfull during story line... The generic things the companions say when you right click on them should change with affection. And as I am maried wieh Azshara, I think she should talk to me like my wife when I right-click on her.
As a story-driven mmo, well, the story should really be more important and my actions and status should really have an impact...