A number of times on here people have asked about the best sound quality of various Yes albums available on CD.
I have previously reviewed the complete Rhino remasters set on Lugs
http://lugsmusicreviews.com.
Last week I at last tracked down a copy of a Japanese import HDCD version of Close To The Edge.
I have to say I was very impressed by the sound quality,it is louder and clearer than the Rhino version-of course I can't state if this is true for every release but I have to say the HDCD versions (remastered by a Japanese gent whose name I don't have at hand) seem the way to go.
These versions unlike the Rhino ones only contain the original track listing.