I've done it several times, usualy coming down it after going up Whiteoak Canyon, but I've also gone up it as a training hike continuing on to the top of Hawksbill and then going down and around Hawksbill and back down Cedar Run - a bunch of half-gallon bottles of water in the pack will add to the training.
"After the first glass, you see things as you wish they were. After the second, you see things as they are not. Finally, you see things as they really are, which is the most horrible thing in the world."
--Oscar Wilde on Absinthe