New York Design Week may come hot on the heels each year of the all-consuming behemoth that is the Milan furniture fair, but to pay it any less attention would be a mistake — between Sight Unseen OFFSITE, ICFF, Colony, Wanted, and the goings-on at outposts like the Future Perfect and Matter, the days when America’s most important contemporary design event was simply a watered-down rehash of Europe’s are indisputably over.