to be or not to be.........

First sentence in a book or first scene in a filim set the mood for the rest isn't it? may be because of that all of them first ones are the most critical.. as they say first impression is the.........:))

well !! when I also decided to start my own blog even I was thinking of a dramatic ,intriguing and stylish first sentence.... I was confused should i make it long/short ? Should i go right into a dialogue or should i save one? ;or should i start with classic ones like.....It was a dark and stormy night or It was a day like any other or Once upon a time there lived a prince. .
I was royally confused .. I thought a lot ..well what could be that???? but ..... i couldn't find any...