While in San Diego, I tried my first In and Out burger, about which I've read so much on Chowhound. I can only say that In and Out stands with Krispy Creme as one of the great hype jobs of modern times. The burger was okay: better than a McDonalds burger, worse than any burger one might grill in the backyard or have at a half-way decent diner. It is still identifiably a fast food product, unnatural in its textures of mealy meat and spongy bread. The fries were freshly cut and thus actually had some taste, but they were limp rather than crispy. Overall, I would rank In and Out among the better fast food chains, but I still see no reason whatsover to eat there.
In the cases of Krispy Creme and In and Out, my theory is that people desperate for authenticity kid themselves into forgetting that they are being served that same old mass-scale product.