Well, depending on rights issues not everything can be shared online -- for example, when I worked for an artist's foundation in NYC, the photographers of the pieces (which were mostly performances) held reproduction rights, which is pretty common. Some of the photographers gave us carte blanche to do with images what we wanted, others were very careful about how their photos were distributed and worked with third parties to handle access and royalties. Depending on the contracts the Shorter family has with both photographers and the NYPL, the public availability online of certain things will vary.
Regardless, I think it's a good thing the archives are at NYPL and will be curious to see what unfolds. As I mentioned to Hank, 138LF of original manuscripts and images will take time to catalog, and there'll be a lot of treasures to (hopefully) examine in the future.