I have all ten, and I guess I've been spoiled by those special releases of music from Star Wars and Lord of the Rings where they have close to every second of the film's soundtrack, because the Trek soundtracks all feel woefully inadequate.
As far as the music itself, I like The Motion Picture and The Wrath of Khan the best.
While I hate to bite the hand that feeds me, I too am spoiled and agree with you woeful assessment.

(Not to mention your choices!

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