It is possible to contenue to persue statehood with the U/N and talk to the Israeli government too. 63 years have already been wasted with the talking thing. And it will be the carrot for them to your stick. It is a win win thing for you because everyone will see you are willing to still talk. BUT DON'T GIVE UP THE U/N!!! THEY ARE SCARED STIFF!!!
from the article: Israel accepts Quartet peace plan, urges Palestinians to follow suit