After reading meaning glowing reviews, I am interested in this unit since it simplifies connections and is upgradable. I am reluctant though due to the fact that I am used to what separate components sound like and their flexibility. I have a HK AVP1 (Fosgate 3a) which I know is dated but it was a hefty price tag a while back.. I'm wondering if I am going to lose much in the way of two channel?? hmmm... I have not been able to listen and test to the 5800 controlled. Should it be best to stay with amp/ preamp combos in the same price range?? thanks.