Even if you don't get points in New Jersey if you get enough points in NY you can loose your privilege to operate a motor vehicle in NY. If the ticket was not written in NYC you may be able to plea bargain.
This person will give a phone consult for free:
http://www.speedlaw.netIf the case is not worth his fee he will tell you.
Pakhan on this board also has someone who works both sides of the river. PM him.