Nanotech, a reprint-anthology edited by Jack Dann & Gardner Dozois (1998.) Original appearances from 1988 to 1999 - in Analog (2), Omni, Interzone (3), Asimov's (3), and New Worlds.

(Preface)
"Blood Music" by Greg Bear
"Margin of Error" by Nancy Kress
"Axiomatic" by Greg Egan
"Remember'd Kisses" by Michael F. Flynn
"Recording Angel" by Ian McDonald
"Sunflowers" by Kathleen Ann Goonan
"The Logic Pool" by Stephen Baxter
"Any Major Dude" by Paul Di Filippo
"We Were Out of Our Minds With Joy" by David Marusek
"Willy in the Nano-Lab" by Geoffrey A. Landis (poem)