Recruitable Mage Rebalance - seeking comments

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Well, I mostly agree on the idea of making mages more expensive, but I'm not sure the main problem is the cost itself, but rather has to do with :
- The paths the mage gets : a caelian Air mage, at same levels, is vastly superior to a TC Water mage or an Ulm smith;
- The fact that the mage is or not capitol-restricted - the case of Caelum vs Abysia or Mictlan is telling;
- The more or less flexibility given by the randoms and their level. For example Mystics are very good, but Celestial masters are crappy.

But I've no clue as to how correct this ...