Originally Posted by KZEE
No, spending the money for a good cable for your 580's is not silly, and you'll likely notice a ten fold increase in sound quality with a good cable for your 580's.
I had the Cardas cable for my 580's, and although it was a well balanced cable and sounded very good (you can see more Cardas comments in the 'Senn V2 or Cardas...' thread), ultimately to my ears there was an upper midrange glare that led to my returning the cable.
A ten fold increase? Come on, let's not get carried away here, the difference will be very subtle. Of course, is weighs heavily
on the rest of your system, but even if it's up to par, the difference will not be enormous.
Personally, I feel that cable upgrades can be worth it, but don't go spending $150 on a cable when the rest of your system is certainly not up to par. They should be the last upgrade made.