DEC ended up dumping some of their early micros on
their own employees.
The used market was flooded with VT180s and PDT-11/150s for a while there,
as a result. But presumably the employees got special pricing, so it's
probably not fair to count them as real live sales to private individuals,
since they had special incentives.
They were initally available with incentives, later they were cheap at end
of product and then when internal use was phased out then were retired
and often given away. Got my my systems by the later means while there.
Allison