Before computers became commonplace, they were the domain of nerds. But, before that, they were high-tech space-age sexy!
This ad and the next one are from Obsolete Technology, which has a truly amazing collection of vintage computer ads. I laughed out loud seeing Sarah Purcell from Real People and the cast of M*A*S*H* promoting computers.
Okay, I know this next one's a typwriter, not a computer. Close enough.
(also see Computers 'n Miniskirts Part One); top image from flickr