dear wendy
thanks for share the ideal of harmonix cable biwire with supra cable.that give me a push to upgrade my cable to harmonix.(some one review the harmmonix cable only suggest it will match nice with some speaker need more detail in upper range as kharma.)i have found the solution through your set up.i have a few xrcd24 it not for sale item(a give from Mr ma).i love to loan them to you so you could see how far your system could go.