The Best of Glenn Miller (1938–1942)

So I bought the 3 CD set The Best of Glenn Miller (1938–1942) from 2008 (part of the RCA Original Masters series), and it actually seems to be nothing more than a repackaging of The Popular Recordings (1938–1942) from 1989 (metal transfers by Bernardo Cosachov). This set has very little noise reduction and equalization applied to it, hence it retains most of the overtones and ambience, and it sounds very natural to me. I already have The Essential Glenn Miller from 2005 (metal transfers by Doug Pomeroy), and while it has the cleanest sound that I’ve heard, it sometimes suffers from overuse of noise reduction and equalization, and it does lack some important songs.