Many thanks to all who responded.
I have been asked by a few people to post a digest, so here it is. I
have chosen not to attribute the quotes because some of the people who
responded directly to me. If they had wanted their statements made
public and attributable, then they would have posted publicly.
Please remember that I am a conduit here. These are opinions of others
that I have assembled. So if you feel like flaming me, go ahead, you
won't get much back from me though!
I hope that I have represented the views of the responders accurately.
If not, please publish corrections.
The general consensus seemed to break down into the following areas:
Call Quality