Sometimes you have to move beyond functional.

Apple has been very successful in their brand placement – if somebody is using a Mac laptop, you know it

Some people add a skin on the outside of that – it’s a functional (protective) thing, and also decorative.

And then there’s the purely decorative:

The fancy computer probably belongs to Scott Kurtz, as documented here (photo taken in Seattle and  copyright Kris Straub).    Earlier photos by Ed Yourdon (why, yes, that Ed Yourdon) and Dan_H.