Here's the current status of your list, most unsigned, only one re-signed so far:
Adam Amar - First Base
Edgardo Baez - Outfield
Freddie Bynum - Shortstop === ChiSox
Kory Casto - Third Base
Ofilio Castro - Shortstop
Bradley Eldred - First Base
Clint Everts - Right-handed pitcher ==== NY Mutts
Joel Guzman - Shortstop
Norris Hopper - Outfield ===== Mil Brewers
Justin Jones - Left-handed pitcher
Andrew Kown - Right-handed pitcher ==== Re-signed
Gustavo Molina - Catcher
Luke Montz - Catcher === NY Mutts
Ricardo Nanita - Outfield
Jorge Padilla - Outfield ==== Toronto
Horacio Ramirez - Left-handed pitcher
Christopher Rivera - Right-handed pitcher
Jemel Spearman - Shortstop
Daryle Ward - First Base
Matthew Whitney - Third Base === Oakland A's
Dave Williams - Left-handed pitcher
Marcos Yepez - Shortstop
Here's a bunch of guys with Nats' ties and where they ended up:
Zach Segovia === NY Yanks
Saul Rivera === Cleveland Mannies
Daryl Thompson (part of the FLoppy/Kearns trade) ==== re-signs w/Reds
Chris Schroder === re-signs w/Fish
Melvin Dorta === Phriggin' Phils
Rey Olmedo === Texas
Mike Hinckley === up the turnpike
Gary Majewski === Houston
John Halama === Milwaukee
Levale Speigner === Seattle
Winston Abreu === Tampa Bay
Steve Shell === Seattle
