Globill/Ibill Dialers???

Ok, I don't get dialers at all. My website tends to attract an upscale guy more likely to complain that he can't pay with his American Express card then he is to complain that he can't use a dialer. It just such an alien and stupid idea to me - dialers make me think of phonesex, scams, worldcom bankruptcy, etc.

Still, I do realize that in part of Europe and other places they might have a place, where credit cards and checks are less common.

So the question is, is it worth the hassle? Anybody seeing real returns there. I am specifically talking about the Globill dialer program and the Ibill dialer program...