Heh a lot of people must have been scared off from buying this game by this thread. Performance certainly seems to be a luck of the draw. I noticed that some patches fix the game for some and break it for others. This has also been my personal experience.
When it does work however, the game is overall not much of an improvement to M2TW. Visually, there may now be more special effects, but they've lost all the interesting melee animations and it's the return of the clone army. Textures and model detail is no more improved either.
The campaign map is fortunately a good improvement, giving a lot more historical accuracy; There are a lot less fort sieges; Naval warfare is a lot more interesting; Economic and Military towns are completely seperate now; Diplomacy is done through a menu rather than via journeying diplomats. The AI is none the wiser though.
Right now, I'm going to finish my campaign, but overall M2TW was definitely a more enjoyable experience that I'd rather go back to. Battles with swords, arrows and charging cavalry are definitely more interesting. ETW cavalry are far less essential as their charging impact on infantry is nowhere near as pronounced and they are shredded by bayonets. Musket wars are quite a passive experience as all you do is continually manage their formation so they're shooting as many enemies as possible. In M2TW you would be microing your infantry everywhere to support losing units. And cavalry would be charged in at opportune moments, knowing that they'd make a difference to whom won the slugout.
I can see why reviewers rated this game as the best of the series though. The pretty explosions and sound effects are all it takes to woo RTS reviewers these days. They all want a more passive experience that they can just watch. Take Dawn of War 2 for example - a game that is essentially a stripped down Company of Heroes, yet it still has an 85 on metacritic. While Age of Empires 3 and similar RTSs are given 70-85s due to their old style - even though they offer much more intersting gameplay that keeps you on your toes all the time.
Anyway I think I've said enough. I only writ this to verbalise (in text..) what I've kept on my mind for a while now.
