For your comparison, I uploaded the fragment from the First Act of Gotterdammerung in four different versions.
1) LP transfer
2) First CD transfer from 1989
3) Second CD transfer from 1998 (AKA The Originals)
4) 24/96 Hi-Res Download (which is the same remastering as the Blu-ray edition)
It is my understanding that the Eloquence reissue contains the Red Book version of the recent Hi-Res/Blu-ray remastering (correct me if I am mistaken).
Each subsequent digital version is superior to the previous one IMO, but the differences are subtle.