JIT for their implementation of the new review and scoring procedures, the NIH has posted guidelines for study section reviewers and chairs as well as guidelines and critique templates for various grant mechanisms.
You can also view two training videos (PPTs available as well) at Enhancing Peer Review, which has been expanded considerably:
Overview of Peer Review Enhancements reviews ongoing and upcoming peer review changes.
What Reviewers Need to Know shows changes to peer review that reviewers should know about for the upcoming reviewer meetings.
Indeed, the Training & Communications Resources page has quite a number of valuable, well, you know, resources.
Have I looked at any of this yet? Hell no. Way too overstimulated. But I will most certainly mosey over soon and though yinz might want to sooner.