Thanks for your input Todd. The HK 635 that I have is not a digital receiver. I was just thinking about getting a digital one instead. The two digital receivers HK is currently selling are the 1005 and the 2005. Perhaps yours was the 1005? Although I don't know how long the 1005/2005 have been on the market. The 1005 is supposed to be 70w/ch in both stereo and all channels driven. There is so little info around concerning them. I would be curious how many of them HK sells vs. their standard non-digital receivers and if there is a particular reason they don't sell as much.
