that example doesn't really relate to the point
a relevant scenario is
if a unsw and uws student both have the same wam (say D average)
which one will get picked
and that's the point
going to buy a new model soon but i have these atm
pretty good, somewhat noise cancelling and cheap for a sennheiser
http://cdn4.digitaltrends.com/wp-content/uploads/cache/images/reviews/full/6733/20091002_1157091.png/362_241_crop_resize.png