2007 edition of Kaplan Video Lectures:
http://usmlestep.com/Kaplan-step1-2007-videos.html
Anatomy - David Seiden
Behavioral Sciences - Steven Daugherty
Biochemistry - David Seastone
Genetics - Vernon Reichenbecher
Immunology - Kim Moscatello
Microbiology - Kim Moscatello
Pathology - John Barone
Pharmacology - Lionel Raymon
Physiology - Douglas Fitzovich
http://usmlestep.com/Kaplan-step1-2007-videos.html