You might find them in F/S section. I sold one built by HifiMAN for about $55 a week ago in the forum.
The again, I just sold this "gem" a few hours ago on the forum, too. My last sale for ... well, a long time. http://www.head-fi.org/t/657040/cable-has-been-sold-fs-norse-skuld-headphone-cable-for-hifiman-headphones
Edited by wje - 3/25/13 at 7:24am