Minor thing, but I would rename the "ancient ruins" bonus to something like "Archeology heaven". Some people (like Mandos ;-) ) could see this now as a bonus to slap something on the Greeks for what they are well known (like the Romanians and the gypsies). I believe Archeology had a big boom during this period, so it still fits.
The treasure gather bonus of the Carthographer is not mentioned. It collect 3x the resources of treasures, to make up for its weak attack.
IIRC, the Greeks have the unmentioned advantage that their casern can attack from the start. (I would like to see this for the others though; it makes no sense to have absolutely not tower building in II)