Here's the guest list... and this is not ANYWHERE near complete...The partial guest list, which believe it or not is still growing, includes the following:
Michael Bair (Identity Crisis)
Josh Blaylock (G.I. Joe)
Frank Brunner (Doctor Strange)
Kurt Busiek (JLA/Avengers, Astro City)
Buzz (Vampirella, Hawkman)
Jim Calafiore (Exiles)
Howard Chaykin (Challengers of the Unknown, American Flagg!)
Frank Cho (Liberty Meadows, Shanna The She-Devil)
Steve Conley (Astounding Space Thrills)
Amanda Conner (The Pro, Vampirella)
Todd Dezago (Marvel Age Spider-Man, Telos)
Rich Faber (Buzzboy, Green Lantern)
John Gallagher (Buzzboy, More Fund Comics)
Ron Garney (X-Men, Captain America)
Mike Grell (Jon Sable Freelance, Green Arrow)
Bo Hampton (Legends of Sleepy Hollow)
Paul Gulacy (Catwoman, Master of Kung Fu)
Dean Haspiel (The Escapist, Billy Dogma)
Cully Hamner (Batman: Tenses)
Marc Hempel (Gregory, Naked Brain)
Greg Horn (Emma Frost)
Adam Hughes (Wonder Woman, Gen13)
Georges Jeanty (Dogs of War, X-Men)
J. G. Jones (Wanted)
Michael W. Kaluta (The Shadow, Starstruck)
Robert Kirkman (Captain America, Cloudfall)
Scott Kurtz (PvP)
Joseph Michael Linsner (Dawn)
Pop Mhan (Spyboy)
Ron Marz (Green Lantern)
Mark McKenna (Banana Tales)
Josh Middleton (NYX)
B. Clay Moore (Hawaiian Dick)
Mike Oeming (Powers, Hammer of the Gods, Thor)
Jimmy Palmiotti (The Pro, Hawkman)
Dan Parsons (Star Wars, Harpy)
Brandon Peterson (Green Lantern, X-Men)
Howard Porter (Flash, JLA)
Tom Raney (Outsiders)
John Romita, Sr. (Spider-Man)
Craig Rosseau (Ruule, Impulse)
Greg Rucka (Gotham Central, Wolverine)
Steve "The Dude" Rude (Nexus, The Moth)
Alex Saviuk (Spider-Man)
Louise Simonson (Power Pack, Steel)
Walter Simonson (Thor, Elric)
Andy Smith (Even More Fund)
John K. Snyder III (Doctor Mid-Nite, Fashion In Action)
Mark Sparacio (Shi)
Jim Starlin (Dreadstar, Cosmic Guard)
Brian Stelfreze (Ride)
Karl Story (Tom Strong)
Billy Tucci (Shi)
Neil Vokes (Parliament of Justice, The Black Forest)
Matt Wagner (Grendel, Mage)
Mark Waid (Superman: Birthright, Fantastic Four)
Mark Wheatley (Frankenstein Mobster)
Mike Wieringo (Fantastic Four, Tellos)
Bill Willingham (Fables, Robin)
Dexter Vines (Superman/Batman)