Democracy for Pittsburgh (DfP) is holding their endorsement votes this week. You qualify to vote if you have been to two DfP meetups and/or DfP sponsored events since Feb. 2009.
The vote will be held at Tazza d’Oro on March 3rd. However, if you can't make that, you can mail in your vote (better make it fast!). Instructions and ballot are here.
Also -- of interest to non DfP members -- you can find candidate responses to DfP's questionnaire at that same link.