For people who were wondering about some of the almost-mystical appeal to Difara's, watch the video. I think it sums it up pretty well.
However, unlike the guy towards the end, I'd disagree: it's not worth the wait. It's a great pie, but nowadays the wait has become obscene and just not worth it. No wait? I'd be there all the time. Short wait? I could live with it. 2 hours? You have to be kidding me. There are other good pies in the city and they won't make you wait for 2 hours to get your pie.