Here are some event dates that may be helpful to planning future events, your own calendar, etc.:

March 3 - Burning Man's Flambé Lounge Burning Equinox (Still in planning stage - details will be announced when set)
March 10 - DUSTFISH party: "Resistance is Futile" at Headless Point East
April 7 - Burning Man Town Hall (actual name of event may be changing)
May 6 - How Weird Street Fair
May 17 - 19 - Burning Man Fire Arts Expo
June 8 & 9 - Health & Harmony Festival
June 10 - Haight Street Fair
June 16 - Burning Man BBQ-A-Newbie Picnic
June 23 - BURNING MAN PRE-COMPRESSION PARTY
June 23 & 24 - SF Pride
July 11 - Desert Art Preview
July 28 - BM Costume Swap & Flea Market
July 29 - Participarade
September 29 - Love Parade
September 30 - Folsom Street Fair
October 7 - Decompression

All dates subject to change, and I take no responsibility for anything, ever. Neither does anyone I am associated with. All events are attended at your own risk, no matter what happens, ever.

Cheers