First, lifting weights will NOT make a woman look bulky. Developing large muscles takes a sustained, deliberate effort and won't happen for a woman by accident. Second, there is a definite sense of empowerment gained from doing really hard exercise and feeling the increase in strength not available from the light weights and undemanding training typically marketed to women.
Some great articles
Strong AND Feminine
Why weight training is the beauty prescription Women need the most.
Strong is the new Black…or have you not heard?
Weight Training / Kettlebell Workouts for Women & Six Pack Abs Secrets Revealed by Neghar Fonooni
Skinny Fat (a guy wrote this one, and it shows, but the information is very good)
Websites of more awesome women
Jen Comas Keck
As a trainer, I'm proud to help women discover they can be physically strong, and don't need the limits placed on them by the mainstream "fitness" industry and many trainers.