I actually like this version the orchestra really fills in what was missing from the original ABBA version.
Well, missing from the final original version at least
The version that I would most want to hear in full is the one that can briefly be heard starting at 5m24s of FATSTAPA. The harmonies on 'I close my eyes' and 'all too soon' are really special. They almost burst out of the speakers, like the ones in POYWS: