Hollywood is dead, or at least in a coma. The talent agencies and virtually every studio are officially closed between Christmas and New Year's. It's a time when the industry gets to catch its breath during awards season and right before Sundance. Theoretically. In New York, not so much. "People don't take time off as religiously in New York as they do in L.A.," says Jason Kliot, co-founder of indie producer HDNet Films. An informal sampling of other East Coast film execs reveals that the city that never sleeps supports an industry that never really stops working. Gregg Goldstein reports.