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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Join us for the Bat Cruise Lecture, 1:15pm September 27th at Trinity United Methodist Church, at 40th and Speedway. Lecturers will be Richard Carrier and Chris Johnson.
The ACA Bat Cruise is set for Saturday, September 27th, 6-8pm. Purchase tickets in advance here.