I'm grateful that Steve invested in Pixar. Those animations are inspiring.
So for me it's iPhone + Pixar. The rest, with respect, is just normal computer business - iMacs and so on. That is, build them cheap in China, sell them expensive in fancy stores with marble floors and huge glass windows. Not a lot going on there except manufacturing and clever business, and half-decent product design including the OS if you're a fan of that style of computer.
But for sure, it's sad he died young and he was obviously a hero to many. I liked his speech to the uni students, he seemed to have a calm outlook and interest in life and death and everything in between.