In reply to AdrianC:
That's my only winter epic, so far. And one feels like plenty.
When Henning and I were walking in to do Observatory Ridge in 2004 on a rough, cold, cloudy morning, we passed two folks in the corrie at about 630 am, coming down the way. "Just picking your route?" we asked. "No," they said, "we've just finished it. Cresta." "Oh," we said, "so you started last evening and did an all-nighter?" "No," they said, a little grimly, "we started this time yesterday..."