From KentuckyDerby.com, in depth info on every horse in the 20-horse field (inc free video and charts of prior races):http://www.kentuckyderby.com/2008/contenders *FREE* Equibase Past Performances on pdf file (they give free ones out on occasion for major stake races):http://ntra.equibase.com/eqbNTRAGetFreeFF.cfm?trk=CD&rd=05/03/2008&cty=USA&de=D&rn=10 ESPN's special page for horse racing (source for the free Equibase past performances pdf):http://sports.espn.go.com/sports/horse/index National Thoroughbred Racing Association (main page):http://www.ntra.com/