I haven't looked at the AVI's but from the shots alone my first concerns were:
> where are the colonies? Not a single one visible on any screenshot.
> where are the farms and railroads? No modern shots.
> industrial age seems to have been reached with most cities still in the 8 size range and none over 12?
> units seem to be more colour coded to their respective nations. Knights in head to foot pink wash?
> cities seem to be packed in quite tightly so optimising city space does not seem to be high on the priority list.
> very few workers out and about. Are they too expensive to maintain?
> the road/mountain overlap issue (enough said). Snow capped mountains would be nice!
> I don't much like the light green mushy forest/jungle or the overly sparse conifer forest gfx. Trees in general seem to be very rare too.