http://startupclass.samaltman.com/courses/lec10/
I personally use this as a way to brainstorm new ideas on marketing for my projects.
This is a piece I wrote on Quora, covers 20 startup topics with links to articles. It's a basic summary of what I leant from the business side of startups: http://www.quora.com/What-should-you-do-if-you-want-to-be-an...
I'm focussed on trying to make a successful startup. I think it really helped when my daughter (7 months old) was born, kind of pushed me to work away from my shitty day job.
My site will be ready in 1-2 months, if you're any good at UI/UX PM me and keep in touch, and maybe we could do a trade, you could have a look at my design, and I can teach you the marketing side - and, more importantly why I did things this way.