SPC ECO
www.myspace.com/spceco
nu-gaze (like shoegaze) / pop
Curve
http://www.myspace.com/reifiedbeans
http://www.myspace.com/xcurvefanx
etc.
^ not official pages, but have songs
shoegaze, more electronic in later releases
Ladytron
new wave / electro pop / what-have-you
Book of Love
new wave / "synthpop" (I really hate that term) / sometimes dance-y
Garbage
www.myspace.com/garbage
alternative rock / sometimes electronic / pop
All are female vox, except Book of Love which has a few male vox songs.
I'll have to check out some of these recommendations here. I love female vox mainly, especially when there's guitars and synths being all noisy and fantastic