Adam and I watched 30 minute segments of this movie over dinners during our summer in Cambridge. Over the 3 months we probably watched the whole movie 6 times. They did a great job with the characters and it is really inspiring to anyone who is trying to building a truly big company. It also really makes you love Woz.
What was really fascinating was just how badly Bill Gates wanted to win.
If you also read Startup by Jerry Kaplan, you'll note that Bill was very keen to copy the pen OS that GO created and on seeing a demo as soon. In the end windows mobile won out though.