I was at Claris (subsidiary of Apple at the time, my paychecks were from Apple) up in Portland right before then. Everyone in the office was really excited about the BeOS (edit, not Steve Jobs, but a new company by former Apple employees). We had a few devices. I remember the demos where they would click on a button to turn off a processor in the GUI while rendering a mandelbrot image, and it would slow to a crawl. I…
Are you sure it wasn't NeXT that you're thinking of?