Here is a scan of a 1954 Popular Mechanics image on how they thought your typical home computer would look in 2004.

Click on the image to enlarge. Ah FORTRAN, now there was a real man's programming language.

Update (from Dave at Raven Banter),

The photo above is a fake you can read all about it at http://www.snopes.com/inboxer/hoaxes/computer.asp. Thanks Dave but I will leave it up anyway. Hey, I like it and it could have been true.