Here are some good links:
ReligiousTolerance.org Carbon-14 Dating (C-14): Beliefs of New-Earth Creationists
Radiometric Dating: A Christian Perspective by Dr. Roger C. Wiens.
This site, BiblicalChronologist.org has a series of good articles on radiocarbon dating.
Tree Ring and C14 Dating
Radiocarbon WEB-info Radiocarbon Laboratory, University of Waikato, New Zealand.
Radiocarbon -- full text of issues, 1959-2003.
Warning to creationists: Danger! You might learn something.