Heres the thing though, I get a feeling people will flock to the rebel side. I don't have a problem with that, I always kind of like to be on the unpopular side. But, I can never really get into being a Mage, so I'll probably be a Rebel as well. What I'm going to suggest is that maybe the you should make the mages side more powerful for balance, as in letting the characters be more powerful for the mages.
I agree with Faldom here. The Rebels seem too appealing, as this would probably lead to the set of a republic and better technology, all things that most, if not all, of us are accustomed to. For those of us that Americans, rebellion for democracy is embedded in our history, and we would likely be drawn to the Rebels. Unless you're an anarchist.
Secondly, most people don't like starting on top. At least not in a game. Being a rebel is much more interesting, it is much more fun to overthrow than quash. Perhaps the Mages should just be the faceless evil guys? Oh, and that brings up another point- what is the Champion's motive? Actually, don't tell me. But, please, tell me they
have a motive for being so... mean. Perhaps there's something more sinister going on behind the Champion? Whatever way, the Champion shouldn't just be evil for the sake of evil. Plot twists are also always a nice touch.
And on an entirely different note, will there be rifles? In the 18th century, they had rifles. They were really only for hunting, as they would clog with powder, but the only other real option for a gun would be a musket, and I doubt the Rebels could overpower people that shoot fireballs and lighting with those inaccurate guns.
Anyway, my rant is over. Can't wait for it to start!
Oh, and thanks for the welcome Scow. That also explains the M'aiq thing...