Here you are. My three laptops and a desktop pc. See the notes for more details.
I took the photo when, by accident, all four computers happened to be on the table at the same time. All of them are running GNU/Linux, of course (Ubuntu, Linux Mint or SLED 10).
You might also like the follow-up "Our Computers II" [http://www.flickr.com/photos/angelaypablo/3778910786/]