In our releases there is one called Factions which changes the way the AI works. They target zombies in a much better way and react to each other in a more sensible manner.
http://kodabar-dayz-daizy-single-player-forum.1084782.n5.nabble.com/RELEASE-DaiZy-Chernarus-1-7-6-1-FACTIONS-1-2-2-04-30-UPDATED-w-Self-Bloodbag-Script-td4144.htmlThere are also several versions that have variants with no AI units at all. Here's one:
http://kodabar-dayz-daizy-single-player-forum.1084782.n5.nabble.com/RELEASE-DaiyZ-X-Chernarus-New-DaiyZ-1-7-3-Code-td1029.htmlThere are limitations to what can be done with the AI due to the way that Rocket chose to program DayZ. The Factions version rewrites how the game regards units, so it operates in a batter way in my opinion.