It's not easy to give a civilization a general balance value, and my ratings are just a feeling about their potential to be more powerful than the others after playing a time. It would be better to rate certain civilizations with certain parameters. That would make it much easier to work out their pros and cons and discuss about them. Would be fun to analyze different aspects of them, to see how people play them and to see how useful the unique features really are. The other question is, how much balance does FFH really need? Of course a random generated map is always unbalanced in some way, at least for me, because i like to play on maps with a rich variance, and btw that's what i like on civ4, to make the best of your situation. Because of some desirable conditions/prerequirements for the civs or religions, i think a game like FFH is especially nice to play on pre-made scenarios or good mapscripts.