If you do not mind building your own do as I did (both 24ga and 30ga), as suggested by Greg Weaver at SoundStage.com: Get 99.99% pure silver wire from Myron Toback, Inc. in NYC (212/398-8300). This wire was un-insulated. Get a spool of PTFE (high grade Teflon) tubing from Allied Electronics (800/433-5700). (This tubing should be of a larger gauge, smaller number, than the wire.) After cutting your wires and tubing clean your wires with Caig ProGold (to de-oxidize, seal, improve conductivity, & lubricate for insertion into tubing). Then carefully insert the wire into the tubing.