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, March 8th at 12:15pm at the Austin History Center, 9th and Guadalupe. The building opens at noon. Ryan Bell will talk on "My Year Without God: Now a Permanent Condition."