Well, what makes sense to me (not that it means anything) is using a good quality wire with a PTFE sheath of sorts allowing lots of air around the wire. It also sounds pretty easy to do, especially for the lengths normally associated with interconnects.
I'm thinking about trying something like this....http://www.ebay.com/itm/AUDIOPHILE-SOLID-CORE-SILVER-OCC-BULK-WIRE-60FT-24AWG-SPECIAL-1-WEEK-PROMO-SALE-/111123441450?pt=US_Audio_Cables_Adapters&hash=item19df79272a
I'm thinking about trying something like this....http://www.ebay.com/itm/AUDIOPHILE-SOLID-CORE-SILVER-OCC-BULK-WIRE-60FT-24AWG-SPECIAL-1-WEEK-PROMO-SALE-/111123441450?pt=US_Audio_Cables_Adapters&hash=item19df79272a