Well, I finaly had the time to install and play. After the huge installation of all the necessary files, though quick I must say, I run the game by running the dominion.exe and then the restore klin-fed alliance. Then the normal game exe. It took a while to load the game, more than I remember. Anyhow, I started a conquest campaign with feds on full 9 races map. I bought my favourite ship (Galaxy) and went bravely enough to destroy the enemy. First mission was a defend the starbase. Hah! I thought. There were two more Galaxy class ships defending this huge starbase. Noone can touch us. In a few minutes there was something wrong with the radar. Half of the screen became red. I though, must be a bug or something. But it wasn't. It was just the enemy ships. [censored]! They arrived near the base and the battle started, I was playing at speed 6 BTW. I have no idea what these ships are, but they were huge and very powerful. Something about breen. (I have watched only the first two seasons on and off of DS9). Soon enough I could here all the time about an ally ship being destroyed. I was heavily damaged but kept on fighting. The whole battle lasted a few more minutes. I think we managed to destroy at least 2 or 3 of their shuttles...I was playing at the easiest level... WTF?
Still, I like it a lot. This mod looks very nice. I will update with more info when I play more. (I have started a new campaign btw).