I would sort of suggest, if any mod reads this or if anyone knows how to contact them, that the various Minthara threads be merged?
Honestly, I think that sooner rather than later the number of similar topics will increase. She is a very likable character.
I personally love her VA and would have no problem swapping her out for any of the original companions. But given the fact that your decision at the end of Act 1 is irrelevant in the long run, I wonder how long it will take for someone to make a mod that allows her to be recruited in Act 2 even if you killed her in Act 1.