Balanced cables sound better without shielding. If you have so much interference that you need to shield even balanced cables, at least space the shield as far from the signal cables as can be practically done.
I didn't like the cable or the power supply that came with my Sennheiser Lucas so I built my own adapter and battery power supply. Wiring for the adapter is Kimber and the RCA jacks are WBT. Movies sound much better now!
Wow! Talk about some overbuilt cables. You all like your bling.
Here are mine made from 16 ga. MIL-W-16878/4 with Switchcraft 1502 short-body connectors. Simply effective, but not nearly as nice as my 10 ga. variety. I estimate the total cost for the pair to be about $8. It hurts to know how much of a rip-off the commerical cables are!
My blumenco BOG / Other site I can't remember inspired interconnects...
Single twisted pair of cat5 wrapped in teflon / aluminum foil shield (that's right, the kind that you wrap food in) w/ cheapy rat-shack RCAs ($3.99 for 3 pairs...). IMO, they sound more transparent than my canare star quad cables.