It's amazing that the "Christians" at AIG lie so much. Article after article, book after book, they reference genealogies. To say otherwise is to be ignorant or dishonest.
There isn't one "young-earth evidence" that doesn't fail in a few seconds of examination:
Introduction to the Creation-Date Debate
http://www.geocities.com/darrickdean/cr3.html
Is There Really Scientific Evidence for a Young Earth?
http://www.gps.caltech.edu/~tisco/yeclaimsbeta.html
Biblical Creation
http://www.evidence.info/apologetics/creation.html
A Matter of Days: Resolving a Creation Controversy
http://www.amazon.com/exec/obidos/ASIN/1576833755/