I want to start by letting everyone know that this mod is still alive and we are steamrolling to v0.9. There was a huge delay thanks to some issues and matters with the content but we have it sorted out for the most part. There have been no new previews in a while but that is about to change soon. I have been making tons of new 2-D art and working on some new units that will be incorporated into the game. Be looking for some new preview material soon.
As with Kingdoms and Fiefs I am still interested in having an AOR castle system provided it will not prove to be too much of a task. The biggest obstable to overcome is the fact that the unique castles would have to be modeled, skinned, and then placed onto the map. An example would be from Third Age: TW with Minas Tirith. Each of these would obviously have their own unique abilities for recruitment, bonuses, etc. This all depends on how much extra time we have, so it may wait until v1.0.
Right now our biggest setback is that we dont have enough manpower. Only 3 of us are active and when 3 people try to take on a huge project like this in free time, it will take a long time. We are always looking for some help if you are interested.