I picked up the new Gilbert CD from an ebay seller for a good price. I've listened to it through a couple times on my Zune. I have no complaints with the tempi and overall pacing by the maestro, in fact I may like it best compared to other one-disc M9s that I retain (Masur, Gielen, Mund, Abbado). The winds and strings are very appealling. As a horn player I feel like I'm sitting in the section (actually, maybe too close).
What I did notice, however, were the low brass and percussion were sometimes insufficiently prominent, I think unnaturally recessed in the overall sound scape. Places in other recordings that I specifically enjoyed trombones or tuba belting out the terror sometimes are too restrained in this one. I'd question my assessment of what is correct prominence, possibly having been influenced by too many studio performances, except that just a few weeks ago I attended a live M9 performance and these voices were unmistakable at the appropriate times.
Juxtapose this case of 'mitigated' back row with the instances when the creaking (of a chair) and breathing (concert master or conductor?) are evident (e.g. the last minute or two of Movement I) and it leads me to believe the perspective of the recording is intentionally very much from the podium. Subsequently I've listened to samples of Masur, Lopez-Cobos, Abbado, Bertini, and Mund to confirm my assessment.
I believe i made the same observation, that the trombones weren't adequately miked, about the recent Schwartz M6. I wonder if this is a trend.