The game has been out for less than a month dude..
I play what I consider a casual amount and have a 45 Powertech that I just left without thinking twice to play republic side after hearing all this imbalance talk.
I completely agree with all the arguments about aesthetics favoring the Imperial side. Almost everything, from Sith Warrior/Inquisitor skill animations and helm graphics to the storyline, favors the Imperials. People (especially the older PC gaming type) just love to roleplay bad..
Personally, not only am I excited to fantasize the good side for a change, I am sometimes happy to play at a disadvantage. Thats just how I "role" TM yall!
Rewatch, or watch, this for motivation:
PS Bioware please do not start incentivizing republic side. Nothing will keep good players away more than an already kidsy looking side being technically easier. You need to start making more videos featuring awesome republic characters (that live) and stuff like that.