YC Meetup in SF next week?

I'm a New York based Rails hacker in town to talk to a bunch of startups and to check out the scene in SF/Mountain View and was wondering if like minded folks wanted to get together for a meetup next week (I'm there between 2/20 - 2/27) I'm completely new to the west coast so ideas on where and when would be greatly appreciated! A bar or some equally social setting should work.