I am currently building a 2 channel audio system out of used equipment, and so far have: Paradigm 11seMk3 speakers, Adcom GFA-5500 power amp, and Adcom GFP-345 preamp. I am in the hunt for a single CD player that will best compliment this existing equipment, and am looking at the Adcom GCD-750 or equivalent. My question to the many audio experts here is, how much engineering synergy is put into a particular brands line of equipment. Do they work better with each other, or developed independently to a particular specification, so that it really doesnt matter how you mix and match.