Looking for a cheap place to buy TOSLINK cables

I am finally getting a new reciever (Sony 835) next week and saw the cheapest optical cable I could find in stores was like $50 and I was wondering if anybody had some links to anyplace to pick up some on the internet cheaper. Also, I am going to be getting a Sony CD player with Optical out. Would that be any better than just connecting it to the reciever with RCA cables?

Any help or advice would be greatly appreciated.

LP