Anyone have the Answer?

millercarbon

... maybe didn't think it through very well then. Using a meter merely removes the decision making one step ...

No, it offers the potential of having solid information to help inform a decision.

... if you listen, who cares what the measurements say?

Hopefully nobody while they're actually listening. Listening and measuring are two different things. 

So for all the "thoughtfulness" it never seems to have occurred to anyone all they are doing is moving the decision one step down the road. Kicking the can.

They are suggesting a step you're willing to forsake. And that's fine. It isn't clear why that's a problem for you.

Preach it Brother Carbon.. LOL You've pointed out the demon, and it seemed to need an exorcism.. Be gone. or is the A Gone..

Yup there was a lot to point out in the OPs question. So I pointed out, skip the CRAP and plug in a 300.00 usd solution... You know the grid is ok at best, no matter the measurement.. The device to measure anything of any significance, would cost more than my whole fix.. The irony..

Regards

Using an oscilloscope is the best way I know of.  Unfortunately they will still put you out around $300-$400, and if you don't have a background in electronics are going to be difficult to set up, and interpret.

Preach it Brother Carbon.. LOL You've pointed out the demon, and it seemed to need an exorcism.. Be gone. or is the A Gone..

https://www.youtube.com/watch?v=f0ZS9sImoOE

These two had it easy, only the one demon at a time.

They make products to measure your ac lines for sure but i can tell you that a good conditioner will improve the sound of your system whether the line is a good one or a noisy one and you do not have to spend thousands to hear the difference.