If you're looking for a digital cable at a good price, I have a few extra Apature cables that I forgot were even there. They are actually brand new and still in original packaging.
I have some coax digital which are Silver and some of their digital optical. I would let either one go for $40 including shipping.
Another good option, which I am currently using with my CD recorder is the Dayton digital cables available from partsexpress. Not a bad cable for the money.