Global Game Jam 2011 is January 28–30, 2011. You can find a site near you, and participate in this 2-day hack-a-thon! New this year: board game design, and collaborating across sites. Way cool!
Here’s last year’s QT3 thread:
I am helping to organize our local UC Santa Cruz chapter of the event. If you would like to come hack here with us, we will welcome you! If you would like to help sponsor this event, we will welcome you even more!