Annoyed with being on the West Coast and having our ballots counted after the election’s been called? You can vote early. From the SF County site

ABSENTEE BALLOTS and VOTING EARLY

* Any voter may vote early by Absentee Ballot (voting by mail), or they may vote early in person.
Mail in your Absentee Ballot to the Department of Elections:
1 Dr. Carlton B. Goodlett
San Francisco, CA. 94102 OR
Drop it off at the Department of Elections
Room 48, 1 Dr. Carlton B. Goodlett
(Ground Floor, City Hall) OR
Drop it off at a polling location before 8 p.m. on Election Day
To vote early in person:
Go to the Department of Elections beginning January 7, 2008:
Room 48, 1 Dr. Carlton B. Goodlett (City Hall, Ground Floor),
Monday – Friday– 8:00 am. to 5:00 pm.
Saturday & Sunday, Jan 26 & 27–10:00 am. to 4:00 pm. (enter from Grove Street only)
You don’t have to give a reason for voting early.
Any ballot that arrives at the Department of Elections after 8 p.m. on Election Day will not be counted.