After years of campaigning for a General User Survey, finally we get something similar: http://en.wikipedia.org/wiki/Wikipedia:SURVEY
I am glad somebody didn't forget about copyright: "UNU-Merit will make anonymized research data available under the CC-BY license, and its own analysis under the CC-BY-SA license. Results will be publicized both on the Wikimedia blog and on the foundation-l mailing list."
I am looking forward to the results, and I expect all of the readers of this listserv will fill in the survey :)
Disclaimer: I am not associated with UNU-Merit and had and have nothing to do with this survey (but I tried to keep Meta:GUS alive and sympathize with the new survey).