OMG, that thing is a dinosaur! That avr isn't even a bottom of the line from Onkyo either. So everything is working fine and dandy but for something reason you want to upgrade.
You also want something low cost. You are not providing anything that makes any sense. What speakers and sub are you running anyways?
A low end avr with good speakers sounds better than a high end avr with cheap speakers. In my opinion.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.