The City and County of San Francisco has a new open data site:
Please follow the link to the site to search, browse and view San Francisco data.

Description: This is a draft spreadsheet presented to the Board of Trustees Budget Committee meeting on May 19, 2010 by the Office of Vice Chancellor of Finance and Administration forecasting the District's budget for the 2010-11 and 2011-12 fiscal years and identifying anticipated deltas in expenditures for 2010-11. The College is expected to pass an preliminary budget at its June board meeting.
Agency Name: City College of San Francisco
Time Period: 2010-11 and 2011-12
Frequency: Yearly
Location of dataset: City College of San Francisco Budget Forecast (2010-11 and 2011-12)
Format: XLS

DataSF is a clearinghouse of datasets available from the City & County of San Francisco. Our goal in releasing this site is:
(1) improve access to data
(2) help our community create innovative apps
(3) understand what datasets you'd like to see
(4) get feedback on the quality of our datasets.