The players? Authors Peter V. Brett (The Warded Man), Ari Marmell (The Conqueror's Shadow), and Diana Rowland (Blood of the Demon), as well as the three winners of Jason's recent contest for role-players to submit their best characters.
And the whole thing will be watchable live on Random House's Suvudu.com today at 2pm EST (that's 11am PST). I wonder what they'll come up with next? If they're not giving away dice at NYAF I'll be surprised!