Download:
http://rapidshare.com/files/68774857/Data.zip
Stuff changed:
Made it possible to play custom battles without changing the EDU. All factional units and some regional ones should be available in custom battles, without any effect on campaign gameplay. If any factional units don't show up, please let me know.
Added assimilation system--assimilation of non-homeland privinces is very expensive and requires you put up with big penalties for a long time. But it allows you to build a Gov I once the process is complete.
Reworked governments--compared to regular EB, putting more centralised governments in place is more expensive and lengthy, but more rewarding in the long term.
Increased bonii for many unique "buildings".
Newly-captured provinces will now be in a state of anarchy. This is bad. Very bad. So hurry up with the temporary military government. By the way, you can just destroy it, but that will break the government building conditions, so don't.
Reworked economy--again, many buildings made to be more costly but more rewarding.
Reworked the stats of naval units. Generally speaking, ships cost more to build but less to maintain than in plain EB; they no longer all have the same manpower.
Changed the costs of artillery units for more realism. Maybe it will actually be worth building them now.
Modified ranged units--ranged attacks (especially javelins which I find useless) have been made generally more powerful. Slings are no longer armour-piercing uberweapons and they have less range than bows, but more ammunition.
And Stuff. I may have forgotten some things.
EDIT: Oh yeah, Koinon Hellenon now has two different Gov Is, one is a democracy meant for Athens and similar city states,the other is the Spartan Agoge, only certain provinces can have it though so you can't turn Athens into a Spartan-style state.