Best voice in metal?

Conquer All is, too me, the essence of badass, tbh. Fucking ill riff (yes, stolen from anthrax) with those beastly vocals coming in, killer drumming, etc. The only song that I'll play at dangerously high volumes. Unfortunately they kinda butchered it when I saw them live (or maybe the sound people did; it wasn't even recognizable until the chorus).
I like Nergal's vocals, as well as similar ones like Vader's and Morbid Angel's David Vincent.
 
You just want her to sit on your face.

I actually really like her vocals, but yeah.

Meh... she has a generic, overproduced voice. Check out Epica or Angtoria for some talented female metal singers. They wipe the floor with Cristina Scabbia, then shit on her face.

How about they just sit on her face(the sexay hottie from Epica)
 
+1 to Nergal, especially on Demigod. Slaves Shall Serve, especially the opening, and Before Aeons Came are way too awesome.
The opening to Slaves Shall Serve...I'm not sure, but I suspect it's the Rite to Osiris. Does anyone know for sure?
 
They wipe the floor with Cristina Scabbia, then shit on her face.
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The vocalist from Bishop of Hexen is probably my pick. Also, I really like Fernando from Moonspell, but I'll admit his voice isn't always as good as it could be. John Haughm from Agalloch is also very good.