Great postmortem. These kinds of high-altitude narratives, which describe the overall lifecycle and tell the key stories, are utterly fascinating, success or failure. When you're so focused on something, then discover parallel narratives to your experience, you gain perspective that's useful and even emotionally valuable.
They're very common within the game development world, after becoming a regular, beloved feature of Game Developer Magazine (now defunct). Here's a big list of them, perfect for a Saturday afternoon:
http://www.pixelprospector.com/the-big-list-of-postmortems/
Is there any collection of these kinds of articles for contemporary startups, or similar postmortems that are also worth reading?