Its Been Sometime Over 4 Year Now That I Have Been Using Hk Avr 630 With B&w 600 Series .recently I Purchased A Playstation 3 Which Has Hdmi Output ,since This Receiver Was Manufactured At A Time When Hd Concept Was Still Nascent In The Market It Dooes Not Have An Hdmi Input Hence I Have To Use The Spdif Liink For The Audio Output. I Have Absolutely No Complaints Regarding My Receiver And It Has Served Me Well Therefore I Request If Anyone Can Suggest Me A Suitable Substitute For My Receiver .. I Am Thinking About Nad.......