if you won't find anyone done the exact comparison, you can do that on your own hiring electrician and requesting him to provide a couple of different dedicated lines that you're gong to be experimenting with. make sure that he doesn't take you as a nut case tho.
comparison of different dedicated AC line types?
Im getting ready to move my audio system to another part of the house. I'm wondering if anyone has had any experience in comparing a regular dedicated 12 Ga romex line feed to a greenfield (flexible metal conduit) dedicated 12 Ga feed line? Also has anyone tried to terminate a dedicated line with an IEC and plug it in direct to your equipment?