I can only answer for myself, A1980. I took my husband's name, because, to me, it signified that we were starting a new family. We did consider hyphenating our two surnames, but the result sounded ridiculous so we settled for his surname, because, of the two surnames, it's the one I prefer.
In fact, my maiden name has horrible connotations for me, as it was used as the basis of a vile nickname that was used by my bullies all through senior school, the memory of which can still make me feel sick.
But if it pleases some people to think that I am Mrs Hissurname because I am some frumpy WI type with catastrophically low self esteem, who has just gone along with society's mores rather than making her own intelligent decision - well, that judgementalism says more about you than about me.
FWIW - yes, I do have catastrophically low self esteem, due to years of bullying and the consequent history of depression - but that did not render me incapable of making a decision for myself, for my own good reasons, about what title and surname I wished to use.
And the last time I was involved in discussing this topic here, I asked dh if he would use a title that showed that he was married, if one existed - and he said yes, without any hesitation. He wears both an engagement ring (a signet ring) and a wedding ring - his choice - so I am not the only one happy to show my married status publically. I don't use the title Mrs most of the time - when I introduce myself to someone it is with either my first name alone or my first name and (dh's) surname. And I wouldn't get offended if someone who didn't know my preference, called me Ms. But I want to retain the right to choose to use the title Mrs, and to have that choice respected by the people who know that that's my preference.
People have posted really passionately on this thread about why they choose to be called Ms - and I absolutely respect that. But why is it not possible that I should be as passionate about wanting to be called Mrs, and why is it so important that my choice of title should vanish from use? My use of Mrs does not take away anyone's right to use the title Ms, and I wouldn't dream of suggesting that, because I prefer Mrs, I would like to see any other titles disappear from use. Why can't Ms and Mrs co-exist?
It feels to me as if some people who prefer Ms feel that they have to triumph over Mrs, vanquish it and eradicate it, in order to prove that Ms is the best title, and I simply cannot see why that is neccessary. It honestly feels to me as if, because I have made a decision that is not feminist, I deserve no respect.