Ask HN: StartupSchool with MBA-like topics?

I am running a pretty successful SAAS startup, I have master's degree in CS (pretty useless btw). I do not want to waste any more time in school to do the regular old fashion MBA, but I need some more 'business' education. I listen to podcasts, audiobooks and read blogs on this topic, but I would like to have some well-organized list of topics that I should cover. I want to know I am not missing any important subject that I should learn. I also want to make sure I am learning from successful people, not random bloggers. Is there something like startupschool.org but focused more on MBA-like topics?