New York Times reports on research of online dating scene by three economists from University of Chicago and MIT. Only 1% of the population admitting to having "less than average" looks. Only a third posted a photo. The reported weights of the women were substantially less than national averages and about 30% were blonde. The reported weights of the men were consistent with national averages and only about 12% were blond. Those men reporting incomes in excess of $250,000 received 156% more e-mail messages than those with incomes below $50,000.