Contrary to all of the fine opinions here, I ended up winning a Paia.
It came on Friday. I plugged the MG-1 into it and fiddled with it a bit.
It is noisy. It is a little loose and unpredictable. It sounds primitive. It doesn't have barely any functionality. It's a bit hokey. It's not nearly as effectively vocodery as my SVC-350 was.
And... I frickin' love it! I have no doubt that the Electrix product would have given me far more functionality, would have a greater resale value, and would be a much more solid device... but that perverse side of me which loves limited hokey buzzy primitive technology just loves this silly little thing.
It will be perfect for those relatively rare moments when I've just got to have a vocoder on a track.
Thank you VERY much for everyone's great information, though. Despite enjoying the Paia, I can plainly see that the Electrix is the superior choice, and if anyone asked me (who wasn't a total freak like me), I would probably encourage them to go for the Electrixx.
Sadly, Electrix prices seem to be rising!
"I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question." -Charles Babbage
"Unity and Mediocrity are forever in bed together." -Zane W. http://www.youtube.com/automaticgainsay