Descended several times after climbing the North Couloir, in late summer / early autumn (by then it is just scree & talus). These days I usually head up to the summit and descend SW, towards Conness instead (along the approach to Conness' N ridge).
"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