Agree with idea to experiment with wires. Contact The Cable Company for advice and access to demos. Or, check out these Internet vendors:
http://www.anticables.com/products.html
http://www.audioartcable.com/
http://www.bluejeanscable.com/
http://signalcable.com/
http://marc.stager.com/silver/
http://zebracables.com/
http://www.anticables.com/products.html
http://www.audioartcable.com/
http://www.bluejeanscable.com/
http://signalcable.com/
http://marc.stager.com/silver/
http://zebracables.com/