I didn't know this thread existed...so, here goes:
I really like the Xtreme mod and Achilles Alliances mods for Armada 1. For some bizarre reason I was never quick enough with that game but I really did enjoy them, they made the game a heck of a lot better than it was. Additionally, the Ai in Alliances gave me a nasty surprise, that's definitely a keeper, or atleast till Future Tense comes out.
Additionally for A1, the KA totcal conversion was really lovely. However it had a few too amny bugs in it and killed too often, but it was nice to see some good ol' KA ships in action again.
Moving onto A2, I kept the B5 mod for a LONG time, well, until my computer caught a virus, and that was about 6 months. Concept Future did well too but that had a few glitches in it, some that I've got teh ability to repair now, but not really worth it. Still, some designs brought up are very nice and it was quite refreshing.
Ghost's Compilation mod was truly superb. It boasted soem good things about armada. Antoher is the BI series. WOW! I know there were some bugs in 2 but when it didn't crash, it was extremely fun to play and it stayed on my comptuer just a bit longer than B5.
I've played very few "bad" mods...infact, I think it really has been only 1 and that was FO. It was far too laggy and then the statistics used in evaulating the weapon strengths I thought was a bit ridiculous. You jsut go and shoot some guns "pow pow" and enjoy the game, this slowed it down.
My idea of "Armada" is that you have an Armada, not about 10 ships each there for different purposes. I want 100+ ships taking on a Cube and some surviving and some not. I want little station building, just pure ridiculous fire power against an opponents pure ridiculous fire power