Not the _oldest_, but certainly the most _useful_, hands down: Apple TiG4 667 Mhz laptop with Adobe Creative Suite 2. I'm amazed every time that machine starts

Not the _oldest_, but certainly the most _useful_, hands down: Apple TiG4 667 Mhz laptop with Adobe Creative Suite 2. I'm amazed every time that machine starts up and shows me early OS X or, haha OS 9 emulation.