Of course 'she' still doesn't like it but she is only hostile if they're in the same room. Nah j/k. They sleep in the same bed (lots of distance between) and not too much hissing goes on. I swear though, if she had opposing thumbs, it would be a totally different story! :)
It really does depend on the cat. It took Misty about a week to get secure in the house. It took Deimos about three hours.