On Screen Display, What kind of speakers do you have? Are you going to set them to small (crossover) on the receiver? Not a huge difference, but the HK 225 is a great buy. The only reason to move to the 320 series is for the versatility it has w/ it's inputs. Both sound great. But not magic great. I'm still arguing w/ a friend that a HK 225 will not make his Bose Accoustimass speakers sound really good. lol