For those of us making music with Linux, here's a vocoder plugin:
http://www.gjcp.net/~gordonjcp/vocoder.tar.bz2
It's based on this one:
http://www.sirlab.de/linux/descr_vocoder.html
But the controls have been simplified, and it has a stereo output.
Have fun, and please let's not have any Mr Blue Sky...
Gordon
Daft Punk with a Speak and Spell anyone?