@ fomalhaut: Large factions already have the advantage of way too many provinces from where they can pump their troops. But i have to say, that i´ve changed my descr_strat concerning the max. movement points, and therefore the larger factions, here especially Seleucids, have now extremely powerfull base, since they can move their troops really fast through their territory.
@ auboy105: The AI is already obsessed with pumping out units with most men in a unit, therefore you see so many Lugoai and Pandodapoi; making them 2 turns has it´s advantages, but also could mean you´ll meet huge armies of levies most of the time ( i did this for Gauls with Lugoai, but, on the other hand, Aedui, Arverni, and Pontos, iirc, are the only ones who can recruit them at all ( they are more of garrison/homeguard unit, and won´t be spammed by conquerors ).