Wondering around the net I stopped in at Pioneer to see if they had anything new and interesting introduced and was stunned to see 3 new class D powered A/V receivers introduced. They describe them as a whole new experience. I think I want class D for two reasons. The warmth of the sound and the cool running. When I have my class AB cranked for a while (concert and a movie) my HT room gets pretty warm. These receivers have better interface with ipods and a new GUI and remote too.