There's a poll on the BurningMan-PDX yahoo! group, with 2 questions so far:

1. Are you there?

Yes
No
No
No
No
No
No
No

2. When are you going to BurningMan?

with many answers including some after the event ends.

my big questions are:

How much E did you take last year?
How many sexual acts did you take part in?
How many times have you found yourself inappropriately naked this past year, thinking it was the Burn?