It's been said, words can not do justice to the experience that is Burning Man. And it's true. I've tried, over and over. But here's a a guy who has at the very least framed it nicely - and I suspect hit it square on the head - at least for himself, Mark Morford. Not only is he an excellent word-smith, he GETS it! But your mileage may vary.
Now I'll get out of the way so you can read HIS take on Burning Man - EXCELLENT stuff...
The Life Lessons of Burning Man
Another good column on the topic - Thanks Mark.
The Truth About Burning Man
... seeking simple answers to complex problems, and in the process, disrupting the status quo in technology, art and neuroscience.