I had thought all the amp modules were freely assignable in Denons which was one reason I was hesitant to by an Onkyo because I was thinking the Denon would be more easily upgraded via firmware. Are all Denon models designed as you describe?

3M80 2M22 6QS8 2M2 1EP500 Sony BDP-S590 Panny-7000 Onkyo-3007 Carada-134 Xbox Buttkicker AS-EQ1