There are already some excellent tributes to the man and his work. Check out the links:
The New York Times
The Dartmouth (actually written before his death)
The New Yorker: here and here
Secret Salinger documentary in the works
Esquire (also written before Salinger's death)
And if you want to check out some of Salinger's short stories that were originally published in now out of print magazines and never published since, check out the Dead Caulfields website. An amazing resource for all things Salinger.
"Don't ever tell anybody anything. If you do, you start missing everybody."
- The Catcher in the Rye
Please feel free to leave your thoughts and memories of the man and his work in the comments section.