If you really like a pop/rock recording, I find its usually a good idea to invest in remasters. A good system can show significant differences, resulting in a fresh and different experience. I keep multiple remasters of my favorites on my music server. I tend to levitate towards the remasters overall but they all have their unique charms. I have had a few greatest hits type remasters that are done just very poorly, too loud with badly clipped dynamics, but those are the vast minority. Generally, when a popular title is remastered by reputable sources, the results are positive. I have four different digital versions of Sgt. Pepper, one of which I mastered myself from the 50th anniversary vinyl.
