I must also mention that I was surprised at a couple speakers you mentioned as being too bright. I agree that evaluating room acoustics is a good idea.
One thing I've noticed about metal dome tweeters, however good or warm, is that they always sound more analytical than fabric domes. IMO, any metal dome tweeter is going to sound less musical overall compared to a fabric dome. This is just my personal experience. I think people often associate their analytical sound with brightness. I do like some metal dome tweeters, though only because I'm a bit of a detail whore.
One thing I've noticed about metal dome tweeters, however good or warm, is that they always sound more analytical than fabric domes. IMO, any metal dome tweeter is going to sound less musical overall compared to a fabric dome. This is just my personal experience. I think people often associate their analytical sound with brightness. I do like some metal dome tweeters, though only because I'm a bit of a detail whore.