OK. Now the remixed album. Vocals more prominent and more centered on all songs. Bass slightly amped up (or I believe, more precisely, untrimmed) and better defined. Instrumentation sounds less brittle in parts on the remix. I no longer automatically buy anything "Beatles" (and passed on the stereo box set from hi res files). But the mono box set is an easy recommendation. This is not quite as necessary--but it is TOTALLY COOL and therefore I am not at all sorry for the purchase and will be listening to this set well into the future as perhaps a different but equal sonic version of the wonderland that is SGT Peppers.