I have played 20 turns with denmark on a long campaign with huge units on V/H V/H settings, with BAI3.2X.
Dipomacy
So far this seems to be working well. At the start evey dipolamat from another faction which appoached me offerred trade rights and map information which did'nt use to happen to me.
First 6 turns all europe allying with each other
Allies seem to be more coherant attacking thier Allies enemies and making more sensible alliances...
Battles
On the battles if I now meet an even stack I can't guarantee to win, good choice of AI units and good use of flanking tactics. I really like the new penitration for cavarly, had to stop using my general's so much as they keep dying.
One seiges Ladders, rams and Towers all seem to be working well as are archers on the walls....
Have seen more small sacks roaming around than larger one's but there are large sacks around and the AI does seem to be grouping them up and reinforcing.
AI also seems to be building up thier cities and castles quite nicely from what my spies have seen...
The HRE attcked me on turn 10 and declared war with a naval blockade which was a bit questionable as at time they had no armies any where near my territory and subsequentally lost a region very quickly. I was spying on thier capital, they had a full stack in the city but did'nt redeploy any of them to defend there provience.
I was at norway with norway at turn 11 and they have more than enough troops to really challege for Scandinavia but have'nt yet.
From what I have played I think the CAI is really the only thing that needs looking at, it's better than it was but it is'nt quite there yet.