Nothing new has been put in yet. I was doing some critical listening to try to etch the before sound into memory (even though it should already be there). I think what I'm feeling is close to buyer's remorse and anxiety that my tin ears won't hear a difference, much less an improvement. I literally moved that speaker all of one inch, maybe. In reality there hasn't been some dramatic change; I'm just worried that I pissed away a bunch of money. We'll see after I wait for delivery and give it some time to burn in. Logic says a new tube power amp (Primaluna HP) is going to sound quite different than a 20 year old solid state integrated (Musical Fidelity A300). Of course then I'll need to decide if using the integrated as a pre, running straight from the source, or buying an inexpensive interim pre will sound better until I figure out the next step.