I agree regarding inaudible differences with wire. A friend of a friend of mine interned at some high-end wire company (trying to find the name of it) in california. He said they have a $200k system in a critical listening room for A-B comparisons. So maybe there is a difference, it just takes a rediculous setup to hear it. I can't imagine a company spending that much money if they know all that matters is the conductivity. But you won't see me spending too much on wires, its a complete waste of money.