First off thanks for the link Widow - seems like a nice mod. I have played Rome Total War, Empire Total War, Napoleon Total War and Shogun 2 Total War and of the three I would recommend Napoleon. I like the time period for Empire better but it was a very buggy game and although it's been patched, it still doesn't rise to the level of Napoleon IMO. Shogun 2 is a bit too 'arcadish' for me and I'm not a huge fan of Japanese history. Mods can be a bit of a pain in the arse but once you get used to installing them it's not too difficult.
I did quite a few commentary videos mostly on Napoleon and a few on Empire and Shogun 2 so if you want to see them firsthand check out my Youtube channel here. Napoleon has a great mod called The Great War (WWI) and it is a blast to play. The artillery is outrageous and it creates a real 'meatgrinder' affect.