The Fourth Age: Total War - The Dominion of Men is a full-conversion & fully modfoldered modification for Rome: Total War - Barbarian Invasion 1.6. Inspired solely by the written works of J.R.R. Tolkien, it seeks to reflect both the spirit and lore of Middle-earth as Tolkien saw it. The Dominion of Men is fully stable, feature-rich, innovative, thoroughly balanced, and conforms to the highest standards of both graphical and coding quality.
A great, spectacular and just plainly refined mod. Fourth Age Total War oozes polish from every pore, with a lovingly detailed story, carefully and cleverly constructed gameplay mechanics, stunning visuals and incredible immersion.
Its flaws (such as the limited rosters for certain minor factions and the vast majority of bugs) have little to do with the mod itself, and more with the game engine it runs on.
All in all, I would say there are no perfect mods, but Fourth Age Total War damn well comes close.