Spriggs, to answer your earlier question, I believe the answer is yes. Ventura was more accomplished at the collegiate level (with his hitting streak) and scouts loved his swing. Furthermore, he was a natural third-baseman. Thus, he seemed like the obvious pick for the Cubs, an organization with a longstanding need at third base. Griffin may have had the edge in general athleticism. I say this because (as I recall) Griffin was converted by the Cubs to second base. Furthermore, Ventura was always very slow-footed.
But the (correct) perception at the time was that Ventura was a certain top-tier first round pick and Griffin was a reach. I remember reading in the local newspapers about how surprising the Cubs' pick was that year.