Check out their event website on Facebook: Singapore Darwin Day 2009 - the BIG 200!!
If you're not on Facebook, here are the details of the event:
Date: 12 February 2009
Time: 19:30 - 21:00
Street: 4300 Ang Mo Kio Ave 6
I'll try my best to make it for the event. See you there!
*Update 11 Feb 2009: Change of venue to Ang Mo Kio Community Library