that would be awesome ... although am not sure of the technical difficulty in achieving something like that through this forum interface.
Excellent idea walker +1. Or we can do a percentile type system that GMAT itself uses. I.e. gauge the difficulty of the challenge problem depending on the percentile of people that get it correct.
INSEAD Sept 2010 Interview Invite Nov 5, 2009 Admit & Matriculating
Wharton Sept 2010 Interview Invite Oct 30, 2009 Waitlisted & Ding
Harvard Sept 2010 Ding without Interview
Ivey May 2010 Interview Invite Nov 23, 2009 Admit + $$