This is what I have as audios only.  For those that just like to listen to shows on ipods (including me), I have mp3 rips of almost all of my VOB shows on the other pages, and if don't currently have one, I can get one at your request!
 

Broadway

October 14, 2003
Idina Menzel, Kristin Chenoweth, Joel Grey, Norbert Leo Butz, Carole Shelley, Christopher Fitzgerald, Michelle Federer, et al
 
November 6, 2003
Idina Menzel, Kristin Chenoweth, Joel Grey, Norbert Leo Butz, Carole Shelley, Christopher Fitzgerald, Michelle Federer, et al
 
January 11, 2005
Jennifer Laura Thompson, Shoshana Bean
 
June 1, 2005
Shoshana Bean as Elphaba, Megan Hilty as Glinda, Ben Vereen as the Wizard, Rue McClanahan as Morrible, David Ayers, Jeffrey Kuhn, Michelle Federer
 
January 21, 2006
Eden Espinosa, Megan Hilty, George Hearn, Carol Kane, Derrick Williams, Robb Sapp, Cristy Candler, Sean McCourt, et al
 
April 9, 2006
Eden Espinosa, Megan Hilty, David Garrison, Carol Kane, Derrick Williams, Robb Sapp, Jenna Leigh Green, Sean McCourt, et al
 
May 28, 2006
Eden Espinosa, Megan Hilty (LAST SHOW), David Garrison, Carol Kane, Derrick Williams, Robb Sapp, Jenna Leigh Green, Sean McCourt, et al
 
August 27, 2006
Eden Espinosa, Kate Reinders, David Garrison, Carol Kane, Michael Seelbach (u/s Fiyero), Logan Lipton, Jenna Leigh Green, Steven Skybell, et al
 
November 4, 2006
Ana Gasteyer, Kate Reinders, David Garrison, Carol Kane, Michael Seelbach (u/s Fiyero), Logan Lipton, Jenna Leigh Green, Steven Skybell, et al
 
December 1, 2006
Ana Gasteyer, Kate Reinders, David Garrison, Carol Kane, Derrick Williams, Jenna Leigh Green, Logan Lipton, Anthony Galde as Witch's Father
 
December 14, 2006
Ana Gasteyer, Kate Reinders, David Garrison, Jayne Houdyshell, Derrick Williams, Jenna Leigh Green, Logan Lipton, Anthony Galde (u/s) as Dillamond
 
January 7, 2007
Ana Gasteyer (last), Kate Reinders (last), David Garrison, Jayne Houdyshell, Derrick Williams (last), Cristy Candler, Logan Lipton, Steven Skybell, et al
 
August 9, 2007
Julia Murney, Alli Mauzey (u/s), Lenny Wolpe, Jayne Houdyshell, Sebastian Arcelus, Cristy Candler, Logan Lipton, Steven Skybell, et al
 
September 23, 2007
Julia Murney, Kendra Kassebaum, Lenny Wolpe, Carole Shelley, Michael Seelbach (U/S Fiyero), Lori Ann Ferreri (U/S Nessarose), Logan Lipton, Steven Skybell, Charlie Sutton (U/S Chistery), et al
 
October 7, 2007
Benefit performance for New York Restoration Project.  Julia Murney and Kendra Kassebaum's last performance - excellent performance, great audience!  Lenny Wolpe, Kathy Santen (u/s) as Morrible, Sebastian Arcelus, Cristy Candler, Logan Lipton, Steven Skybell, et al.  Includes speech by Sebastian after curtain call
 
May 11, 2008
Stephanie J. Block, Annaleigh Ashford (NY final), Lenny Wolpe, Miriam Margolyes, David Burnham, Cristy Candler, Ben Leibert, Steven Skybell, et al
 
February 14, 2009
Nicole Parker, Alli Mauzey, P.J. Benjamin, Jayne Houdyshell, Aaron Tveit, Cristy Candler, Alex Brightman, Timothy Britten Parker, et al
*bwaytrader's master
 
August 9, 2009
Dee Roscioli, Alli Mauzey (final performance), P.J. Benjamin, Rondi Reed, Kevin Kern, Cristy Candler, Alex Brightman, Timothy Britten Parker, et al
*bwaytrader's master 

October 10, 2009
Jennifer DiNoia (Elphaba standby), Erin Mackey, P.J. Benjamin, Sarah Bolt (Morrible u/s), Kevin Kern, Michelle Federer, Alex Brightman, Timothy Britten Parker, et al
 *bwaytrader's master

July 13, 2010
Jennifer DiNoia (s/b Elphaba), Katie Rose Clarke, P.J. Benjamin, Kathy Fitzgerald, Andy Karl, Jenny Fellner, Alex Brightman, Timothy Britten Parker, et al
 *bwaytrader's master

August 1, 2010
Mandy Gonzalez, Katie Rose Clarke, P.J. Benjamin, Kathy Fitzgerald, Andy Karl, Jenny Fellner, Alex Brightman, Timothy Britten Parker, Kelly LaFarga (Witch's Mother), et al
 *bwaytrader's master

December 1, 2010 matinee
Mandy Gonzalez, Katie Rose Clarke, P.J. Benjamin, Kathy Fitzgerald,
Josh Ruoah (u/s Fiyero), Jenny Fellner, Etai BenShlomo, Tom Flynn, et al.
 *bwaytrader's master

December 1, 2010 evening
Mandy Gonzalez, Katie Rose Clarke, P.J. Benjamin, Kathy Fitzgerald,
Josh Ruoah (u/s Fiyero), Jenny Fellner, Etai BenShlomo, Tom Flynn, et al.
 *bwaytrader's master

San Francisco

January 31, 2009
Elphaba- Vicki Noon (s/b), Glinda- Kendra Kassebaum, Fiyero- Nicolas Dromard, Nessarose- Deedee Magno Hall, Boq- Eddy Rioseco, Doctor Dillamond- Tom Flynn, Madame Morrible- Carol Kane, The Wizard- David Garrison
 
April 18, 2009
Kendra, Nicolas, Eddy
 
May 31, 2009 my master!
Angel Reda (u/s Elphaba) Kendra Kassebaum (Glinda) Nicolas Dromard (Fiyero) DeeDee Magno Hall (Nessarose) Eddy Rioseco (Boq) David Garrison (The Wizard) Patty Duke (Madame Morrible) Tom Flynn (Doctor Dillamond)
 
August 2, 2009
Vicki Noon  Elphaba s/b, Natalie Daradich Glinda s/b, Nicolas Dromard  Fiyero, Lee Wilkof  Wizard, Patty Duke  Madame Morrible, Deedee Magno Hall Nessarose, Jeremy Kocal Boq - u/s, Tom Flynn  Dr. Dillamond, Tim Talman  Witch's Father/Ozian Offical, Neka Zang  Witch's Mother, Fiama Fricano  Midwife, Aleks Pevec  Chisteryu/s
 
February 23, 2010
Teal Wicks (Elphaba) Kendra Kassebaum (Glinda) Nicolas Dromard (Fiyero) DeeDee Magno Hall (Nessarose) Eddy Rioseco/Jeremy Kocal (Boq) Tom McGowan (The Wizard) Jody Gelb (Madame Morrible) Paul Slade Smith (Doctor Dillamond)
 
March 31, 2010
Felicia Ricci: Elphaba (standby), Kendra Kassebaum: Glinda Nicolas Dromard: Fiyero, Keith A. Bearden: The Wizard (understudy), Jody Gelb: Madame Morrible, Deedee Magno Hall: Nessarose, Etai BenShlomo: Boq, Paul Slade Smith: Dr. Dillamond Kevin Aubin: Chistery (understudy), Tim Talman: Witch's Father, Neka Zang: Witch's Mother
 
May 25, 2010
Eden Espionsa (Elphaba), Kendra Kassebaum (Glinda), Nicolas Dromard (Fiyero),  Jody Gelb(Madame Morrible), Tom McGowan (The Wizard), DeeDee Magno Hall (Nessarose), Etai Benshlomo (Boq), Paul Slade Smith (Doctor Dillamond)
 
August 14, 2010
Felicia Ricci (s/b Elphaba), Alli Mauzey (Glinda), Tom McGowan (Wizard), Cliffton Hall (Fiyero), Jody Gelb (Morrible), Etai BenShlomo (Boq), Deedee Magno Hall (Nessa), Paul Slade Smith (Dillamond), Tim Talman (Witch's Father), Neka Zang (Witch's Mother)
 
August 27, 2010 my master!
Marcie Dodd (Elphaba) Alli Mauzey (Glinda) Cliffton Hall (Fiyero) DeeDee Magno Hall (Nessarose) Etai Benshlomo (Boq) Tom McGowan (The Wizard) Jody Gelb (Madame Morrible) Paul Slade Smith (Doctor Dillamond)
 
Unknown Soundboard
Idina, Kristin and original cast
 

International

November 21, 2006 London West End
Kerry Ellis (standby) as Elphaba, rest of the cast is complete.  (Original London Cast)