Update: Whoa! I originally posted about a Hacklab upcoming in January, but got the date wrong. I'll be sure to update as soon as I hear about the first one in 2008. Thanks for keeping me up to speed...
The next one will be announced here
I just heard about an event upcoming in NYC, called the Arduino Hacklab:
Sounds like it'll be a great opportunity to meet other Arduino fans, and also learn some tips and tricks for beginners (and I'm not opposed to some advanced tricks too).