Redcaps Corner is a gaming store in West Philly that has multiple D&D groups of different levels. They also rent miniatures, mini buildings and geographic features if you are into miniature campaigning. The high XP level groups are sometimes intimidating, so just ask to be paired with a beginners group. Also they have a great selection of board games. Good luck!

If you're into the string bands you might want to catch the competition at the Convention Center that happens at 5 or 6 on New Year's Day. That way you can see them all in the same venue. Plus all the string bands get a few more hours of partying, so if you're looking for mayhem...