I hear Shogun 2 turned out well. Will probably be the first total war game I play when the gold version with all dlc is on sale eventually. I passed on Empire since everyone said the AI is awful, but apparently AI is good in Shogun 2.
Like always, too many good PC games coming out all the time and unlike filthy console games that are 6 hour campaigns, PC games are usually like 100s of hours, so no time to play them all!