Some others SF ones not mentioned:
Classics:
Light of Other Days by Bob Shaw
The Gentle Seduction by Marc Stiegler
Flowers for Algernon by Daniel Keyes (maybe a bit long for a SS)
More recent:
Much stuff by Tim Pratt, the best being
Impossible Dreams and
Little Gods.
http://www.journalscape.com/tim/page1
The shorts of Paolo Bacigalupi.
A good collection:
http://books.google.com/books?id=HND...age&q=&f=false
http://www.fictionwise.com/ebooks/b17532/?si=0