I decided to go with Leanpub. I really like it's philosophy of making it easy to push updates, which I consider particularly important to a technical manual. An

I decided to go with Leanpub. I really like it's philosophy of making it easy to push updates, which I consider particularly important to a technical manual. And of course, being able to write everything in markdown and push to a private Github repo to start a new version suits me like a glove!