Reviews, commentary, and recent research on the MCMI are examined. There has been controversy over the impact on research of delayed availability of hand scoring materials, the discrepancies between Millon's diagnostic conceptualizations and DSM-III, and MCMI construction idiosyncrasies. MCMI use for clinical diagnosis continues to be suspect, but clinicians now have an augmented awareness of DSM limitations as a result of this version of the Millon instrument.