I think that is a great idea! I think I share your 85% track track record of getting it wrong. Everytime I am absolutely convinced it is a guy it turns out to be a woman and vice versa!
Well then we have to enlist someone to post a thread.
It could be considered political if done to see rudy and duncans supporters age/sex etc. might actually be a thread we could all be on without killing each other ;)