Any torture that results is an accidental benefit; I have a genuine interest in any revelation you might share regarding games in which you find no fault.

As for the question at hand:
I think that I am so obsessed with the idea of games, that my own grail must be an actual game with which I could become obsessed. There are games I find interesting and there are games I find compelling, but none that are fully both.

And, as you know, your idea of a perfect dungeon crawl closely matches mine.

I have been on my own quest for DMing perfection and it’s a long dark road that leads nowhere… Now I settle for my players showing up week after week and laughing louder than the whine in my games

Give it your best shot I say!

Also,

http://www.nonexistent.gov

Honestly though, I don’t think one can really define a perfect gaming experience, even from an individual perspective…hate to get philosophical-like, but it’s a human sort of thing to have imperfection…after having the perfect game/gaming experience, we wouldn’t have anything to hope for…nowhere to grow…kinda like drug addicts getting high just to feel normal…with perfection, one ends up going insane, like that one unbeatable guy from Kung Fu Hustle who was in an insane asylum…

In short…D&D, just because there’s so much room to move…