"there are merchants in the marketplace now who were only in second grade when it came out.  or younger."

When I was in the second grade, JFK was president, and Nikita Khrushchev was still banging his shoe!  -And Alan Sheppard had just proved that a Mercury Redstone doesn't have to blow up. 
Oh, yes, my desktop compute would have occupied the whole floor of a large building, and cost something like the entire US annual budget!  Boy have things changed since then!
dph
PS: And while P4 materials are outdated, the P4 figures can still be very useful if properly updated.

  STOP PALESTINIAN CHILD ABUSE!!!! ISLAMIC HATRED OF JEWS