We run Iron Chariots (http://wiki.ironchariots.org/index.php?title=Main_Page), which is probably what you're looking for. Another great resource is talkorigins.org for debunking creationist claims, especially their index to creationist claims (http://www.talkorigins.org/indexcc/list.html).
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From the officers:
The ACA Lecture Series continues Sunday, October 11th at 12:15pm in the Austin History Center, 9th and Guadalupe. The building opens at noon. Texas Freedom Network's Dan Quinn will give us an update on their activities. The lecture is free and open to the public.