Bob Shannon wrote about the Imlac:
And what other terminals came with a real front
pannel? This has got to
have the highest geek-attractor-factor of any 'terminal' ever made!
DEC GT40, ca. 1972:
http://www.brouhaha.com/~eric/retrocomputing/dec/gt40/
I suspect that the Imlac was directly responsible for inspiring DEC
to produce the GT40.