PvP will never be balanced, in fact in this game it will be sooooo unbalanced because of materia it's not even funny. Triple melded neckbeardies will completely dominate pvp, it won't even be a matter of skill. But that's fine, if I had that much time to invest in this game, I'd want to show off too.
Like i said in my other post that wont effect the normal game cause of this. Release of PvP-specific abilities, gear, and ranking. What that means we will have pvp stats and such so normal gear wont be a factor.