arc'teryx bora 75...
This backpack is great! The hip belt is a little tough to break in at first, but after you do it hits a woman's hips at the perfect spot to be comfortable and function well, too. Drying pocket on the front is a great idea as well.
One thing I don't like (which is totally nit-picky) is that the zipper for the top pouch (which also converts to a fanny pack) always gets stuck in my hair while walking. But that's nothing that would stop me from taking this pack on all my trips!