DEC released KI10, its first 36 bit processor incorporating integrated curcuits. The lights on the KI10 were later used to represent a futuristic computer in George Lucas' landmark film, THX1138.
Source: Digital Computing Timeline
PDP-16/M was introduced as the first sub-minicomputer
from
DEC
PDP-11/40 gave approx twice the processing power as PDP-11/20, at a slightly lower price.
Source: Digital Computing Timeline