This is a great 30 question list to vet a startup for prospective investors, but I also think it is a great list for founders to go through to prep for meetings and pitches.
If you loved the SAFE from YC, you will love this simple Series A term sheet from Y Combinator. From Jason Kwon and Aaron Harris, this document provides a very simple way of addressing many of the complicated issues surrounding term sheets from VCs. The article itself is worth a read, as is the document that I expect to see in the near future being used more often.
Great overview of the real impact to the cap table after a SAFE or Convertible Note happens from Fred Wilson. Having seen this first hand it is a tough situation for any founder to be in. The reality is that a financing to keep the company capitalized can mean the difference between success or failure but the impact of such a decision isn't really felt until the next equity round.