Skip Divided - Thom Yorke
The Clock - Thom Yorke

Don't Worry, Be Happy - Bobby McFerrin!!!!!!

You disgust me.

That's fine and well, savage clone, don't let it get to you too much.
When in doubt, DONT WORRY BE HAPPY!!!!

that's funny, I call Heaven Or Las Vegas their masterpiece (together with Treasure and Blue Bell Knoll). I can't stand the later work though

(sigh) sweet 80-ties

On account of the fact that I don't understand German and so can't follow the meaning of the lyrics, I say Blixa Bargeld's voice, for me, counts as another instrument in Einstuerzende Neubauten.

a lot of Charalambides songs
Burning Star Core

Alot of Bardo Pond, I think Maynard's vocals from Tool adds another instrument to the band

I don't know if this is quite what you meant, but I always thought that the vocal that introduced David Sylvian's Nostalgia was reminiscent of instrumentation.

Unnofficial video for Notalgia: http://www.youtube.com/watch?v=K2Dk8jlcEds.

Diana - Comus

Most are lyrics, yes, but it sounds like an instument.

anything by diamanda galas, and the last track on a perfect cirlce's emotive

huh? and no.

as said by another, all of Loveless.

Which Dooyoo Like (among many others) by the Boredoms.

Oh yeah, the boredoms... Seadrum...

Acid Police by Boredoms.

Scala
http://www.kolacny.com/en/index2.htm

I've always thought of vocals in songs as insruments. If they're not instruments, what are they?

The truth