I saw the Dark Side of The Moon at the LA Sports Arena in 1975 full 5-point surround sound, next to the Wall of Sound created by Owsley and Meyers or the Discrete Stereo Ultra Sound system the Dead used in the late 70's and early 80's it is the absolute best live sound ever!!!
Saw Roger in 2006 do the Dark Side plus lots of other Pink Floyd and Amused to Death at the Shoreline Amphitheater in the SF Bay Area, again in 5-point surround sound, again the best live sound ever (The English Know Sound).
When you add the absolutely ground breaking light show that everyone has stolen over and over from the Dark Side tour, and his genius with the video media presentations he is definitely one of the best performers ever, no question.
As for his later tours, once he lost the great sound system the media and lights were still very, very well done.
As for the message "You missed the starting gun" fellas
When one of these new 'artists' puts out an album half as well conceived of and engineered as 'Wish You Were Here' let us all know :^)
I think old David G. is touring if your up for the shows