The NY Times has a detailed article about the dilemma of some of the city's Democrats who are Bloomberg Democrats (because, if you will remember, the Mayor was originally a Democrat before he switched parties so he could actually run and win - he's a Democrat in Republican's clothing some say): What do they do on September 13, Primary Day? Do they vote for a candidate to sandbag Fernando Ferrer into a run-off? Do they vote to someone they (gasp!) might actually like? Or do they stay at home? The city's Democratic party is definitely at the nadir, if it's pretty much a game of rock, paper, scissors to figure out what to do at the polls. What's funny in that funny-sad way is many Bloomberg Democrats may make Anthony Weiner a beneficiary of their eh-ness about their own partiy's candidates, probably because Weiner hasn't had as many head-to-head clashes with the mayor as the other candidates who are city fixtures.
All Gothamist can say if you're a registered Democrat here in the city is to learn as much as you can about the candidates and vote for whomever you think would be best. What you do on election day is up to you, but it should be a race, not a resignation. This earlier post has links to the candidates' websites, as well as political coverage from the NY Times and Newsday. Related: The Times' Clyde Haberman also laments the voter apathy in his column.
In the meantime, the Mayor opened the new subway simulator training facility on Randalls Island for the Fire Department. Newsday says the event could have been his way to deflect criticism over his decision to give the NYPD hazardous-material incidents the first command, versus the FDNY.