Sad indeed!.... But aside from sad i'd like to rejoice and remember how he lived and what he did. He helped many thousands. But speaking just for myself:

He was the reason i got heavily into cycling again.
Sheldon was one of the two inspirations to become a bike mechanic.
His pages enlightened my and various friends dozens if not hundreds of times, his page on 20's made me get mine, then write my page on it in order to help out others as he helped me (albeit in a tiny way by comparison).

Though i hope his pages will be up forever i will miss his spirit on these boards and elsewhere. I am very serious when i say the man deserves a statue AND a memorial ride. But perhaps in due time that may become reality.

Thank you for all you did Sheldon!