[@Vor]
I'll give a few replies and thoughts to your contribution without spoiling too much. If anyone happens to actually have any sort of interest in the implications of some of the things I say, once again, I'll have to insist that further explanation remains in PM. Otherwise feel free to simply make of my input what you will. I've only spoken of these matters with a couple of close friends/associates.

[quote=Vor]
Whenever I see a magic system I'm always interested in how the writer explains the sociological implications of it. Like, what determines if a person is a Sorcerer or not? Is it a hereditary part of their bloodline, an outside force granting them powers or is it a skill that anyone can pick up with practice? I've always found the popular notion prevalent in fantasy that magic is privy only to a select group of ubermensch as boring and overused. Yeah we get it, magic flows in your veins or perhaps you have a sixth sense or something, making you automatically superior to most other characters you come across. As I said, boooring. (that's just my opinion in general, not slagging off anything in particular) 

So yeah, when it comes to your system, I'd like to see an explanation about what makes one a Sorcerer and how it sets them apart from others. Sure, you can always say that it's "just magic, it happens", but since you're already going fairly in-depth with the system, I don't see why you shouldn't touch upon this as well. 
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Depending on how you define "ubermensch", it's hard to say whether or not what you're saying would apply to my work, but I actually spend a very large amount of time in my narrative implying the social and philosophical implications of those who are capable of using "Magic", and not only on the scale of human society but on the scale of the cosmos itself. I can't actually explain what "Magic" is without more or less spoiling a large detail (the same one I didn't want to mention in my previous post). There's definitely a line between people who can and who can't use it, but I don't feel like it works anything like conventional fantasy does. I definitely don't just say "it's magic, deal with it", nor do I try to pass it off/dumb it down as some sort of science. I will say there is some element of "six sense" about it (though it's far more complicated), but how this works and is gained is not something that comes from your bloodline or such.

[quote=Vor]
Another thing, apart from mental exhaustion and such, usually there is some sort of price/restriction associated with spell-casting so that it remains somewhat balanced and interesting, otherwise people can just use magic willy-nilly to solve all their problems. Tolkien keeps magic users rare and the whole thing is shrouded in mystery, it's not something that the Fellowship can call upon at any time; George Martin uses blood magic and the idea that you have to give up a life in return for power; Dragon Age has these demons in the Fade that can take over your body if you're not careful (as well as blood magic, which seems like a popular concept these days); the Source in Jordan's Wheel of Time can burn you out if you draw too much; Brandon Sanderson's magic in Mistborn uses metals as a fuel and so forth. These are just at the top of my head, but I think it's important to have some drawback to using magic, because this keeps it interesting for the readers. 
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Again, this is something I'm not able to divulge on it any great detail. I'll definitely say that the characters in my setting (nearly all of them, not just a select few like you mentioned) are incredibly "broken" if you put them outside of the setting I've created, but within the setting I've done a lot of balancing and power-scaling; in fact I have databases devoted to this power-scaling. Most of these characters are not so much held back by a "price", nor an "exhaustion" for that matter, but more so by certain limitations placed on them by the world itself (which can at times be overcome) and the fact that most of them somewhat cancel each other out in certain regards.