According to the news, the city is only supposed to get about 4 inches. I live here and I'm not too worried about it. I'm sure that nothing will be canceled and I highly doubt you will be snowed in at Port Authority. Of course, if worst comes to worst at least that will make an awesome story :]
"Perhaps, when we remember wars, we should take off our clothes and paint ourselves blue and go on all fours all day long and grunt like pigs."
Kurt Vonnegut, Cat's Cradle