Go out and buy these for pure digital hook-up. They are GREAT and you can not beat the price! I bought two for my DVD and PS2. Being all glass, be careful with them! But better then any at this price. You would have to spend $100's more to match them! Good Luck!
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1499&item=3010129647