Having never owned an NAD product I cannot say for sure how you will like it. What I can say is that I've always wanted to try a NAD product in my system. I can also say that is very powerful and should handle 4 ohm loads with ease. I'm just not sure how up to date it is with the latest and greatest bells and whistles. You might better be served with a new HK or Denon. If you can get the 773 for a good price I'd probably go for it myself.