I'm not an audiophile either. I've got a good system, but it's certainly not considered very high end.
You don't have to be an audiophile or have an awesome system to hear the difference in sound quality between the Best Of and the old albums. Nobody here wants to alter the songs themselves in any way, and we aren't talking about 5.1 surround sound either. We are simply suggesting that a new remastering job is needed so the songs sound closer to the way they should sound. The original CDs are definitely not the way they should sound - the original vinyl would come closest, and today's technology gives us the opportunity to remaster CDs so that they sound closer to vinyl than the originals did, giving us a more fuller and richer sound overall.