Hi Michael,
Here is my 2 cents worth!
Generally, it's sounds quite good.
Some suggestions for improvements:
I would use more subtle changes in the tempo track (rall, rit, etc.) as well as more dynamic contrast to enhance the different musical phrases.
I like dynamic change you do at 1.52.
The basses section parts (bass and cello) are not define enough in the left - right plane as well as the depth of the room.
(I don't know which mic position you use but it may be too far away.)
Take the pizz section for example, personally, I like to hear the the direct sound clearly define of the pizz from the left side and hear the reverberation of the pizz sound filling up the rest of the room. (the indirect rebound of the sound) It is particularly stunning in a real concert hall.
Right now, it seems to come from somewhere in the back as well as the reverberation. (less interesting in my view)
You could have a good idea of the sound if you play with the Dry/wet parameter of the room while you listen to one section at a time and ajust accordingly. The room you use is very interesting, I use it a lot too...
Maybe you can enhance the dynamic shaping of different voices. (like between 1.30 and 1.42)
This would enhace the awareness of these different lines and hence it would become more interesting to the hear.
Keep up the good work!
Jean Roy