Actually the Silver Sonic Q-10 is silver coating over OFC copper. There are many connectors made by reputable companies that feature similar materials. Audioquest, Analysis Plus, Cardas, and Vampire Wire are just a few that come to mind. Check them out.
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Do you mean "connector" rather than "conductor"? (Actually you don't even have to use metal as a wire. Van den Hul make interconnects made of carbon)
If you like WBT (I use their locking bananas myself), you can buy angled bananas and spades by Furutech. The bananas are very similar to the WBTs, but only about two thirds of the cost. You can see them here:
Although the WBT locking connectors are expensive, keep in mind that they are a one time expense, good for a lifetime. All you leave behind if you switch cables is the crimped sleeve on the end of the cable. You can just unscrew the connectors and take them with you to your new cable. You just crimp some new sleeves on your new cable. The sleeves are quite inexpensive. A buck or two at the most.
I think Eichmanns are also good, relatively inexpensive connectors. You can see them at the same website I've noted above.