KaeYoss said:At the moment they have the same spells known as wizards (afaik) and know more spells (they just get them all, while the wizard only gets 21+Int for free and has to buy and scribe the others (using up time and money).
True. They also get a few more lower level spells per day. Wizards, though, also get bonus feats along the way. Sorcerers really don't have anything accepts the spells (and a familiar).
As long as the spell list is kept limited enough, I suppose it shouldn't create too much of a problem.