via guestofaguest.com: Ready to count down the days until summer returns and your trips to the Hamptons every weekend start all over again? Um, we are, so what better way to celebrate the long torturous 9 month countdown than with a party on the ninth day of the ninth month of the ninth year of the century. Here are a few party throwing tips involving the essentials: nine friends, nine drinks, and a $99.09 Vegas wedding...