Congratulation!
I am convinced! you have done a great job, the play sound very natural and expressif, without loosing the "byte" that most of the time "sampling" instruments loose when they play at a faster speed ... all the strings are perfectly "casted" in the virtual ORF studio, and I understand why in this recording you have put so much "room" instead of direct sound : you were playing with the realism of MIR!
After this, you might try to bring back some "direct" of the instruments and lower the "room" to get a more "focus" sound...
One advice while balancing the natural reverberation from MIR and the direct : you can bring up some "direct" and on the room reverberation "damper" some low end and some high end (below 200Hz and above 5Khz): this way you will still hear the room reverberation and have a "realistic" presence, but without creating a muddy and harsh room presence... by the way, that would just be a more realistic use of the room reverberation with a decca tree where low end reverberation are naturally dampered, and because of the directivity of Newman M50 mic (even if they are described as omni, they are not on this high end!), high end from the reflection/room are also dampered, as the Newman is directively oriented toward the scene and get less room than direct...