This thread is the continuation of the discussion which started in the Illusions topic.

As I was saying, some of the best metal bands with female vocalists are Within Temptation, After Forever, Nightwish and Lacuna Coil.

Those bands (except Nightwish) aren't as know as Evanescence so you might listen to audio samples.
To listen to Nightwish, click on the "MP3" link to the left of the website.
To listen to Lacuna Coil, click on the top-most link and go in "Efforts" to see the list of albums.
To listen to Within Temptation, watch the movie of "Memories" (RealPlayer) linked in the news post.
To listen to After Forever, go to "Downloads" and "MP3s".