If you have the Toroidal II transformers, you are almost all the way to the Consummate. I don’t think you would gain much by going to the PX panels. Yes, the amplifiers play a major role in making Sound Labs perform to their potential. And, being highly resolving, everything else up stream is very important too. The best source, preamp, clean power, and vibration control under your electronics. I firmly believe the use of Stillpoints has enhanced my system. And don’t underestimate the importance of the acoustics of your room.