Jac3510,
You mentioned increased decay rates of radiometric elements. As pointed out below the RATE team admits to finding over 500 million years worth of radiometric decay. To accomplish this during the creation week or during the flood would cause the oceans to evaporate, the earth's crust to melt and cause radiation damage to all life forms.
Young-earth dating problems
HELIUM DIFFUSION IN ZIRCON: A RESPONSE TO QUESTIONS BY THE RATE TEAM
HTTP://WWW.REASONS.ORG/AGE-EARTH/RADIOM ... HERATETEAM
Dr. Leochelt's longer paper is here
http://www.asa3.org/ASA/education/origi ... um-gl4.htm
Here is an interview with Dr. Leochelt
http://www.reasons.org/science-and-faith-interviews
Many problems for the RATE report
http://www.asa3.org/ASA/education/origins/rate.htm
Here is a good paper about multiple dating techniques
http://www.asa3.org/ASA/resources/Wiens.html