I glimpsed Christoph Waltz, too. I really like him.
Tell you what, I can't get all upset about the Michael-Bayization of a story that's been told a dozen times already. What else is there to do to make it new, besides put the latest pretty faces in the roles?
As for a woman dueling in period dress, I see where that would be be unrealistic -- the whole underlying point of upper-class women's dress throughout history, including today, is to hamper movement -- but I can't help applauding it. Not to get all political, but if we must target all of our movies at 14-year-old boys, let's at least offer them some sex-role enlightenment while we're at it.
But admittedly, I'm not exactly a Three Musketeers buff. In fact, I've never even understood why they're called the three Musketeers when there are four of them, and they don't seem to be armed with muskets.