Johnstone touched on it in his thread about his actual book of new playbooks. Here's a summary:
Distressed fonts:
VTKS Good for You
Crust Clean (no punctuation, use Dirty Ego for that)
Minibooks' body text:
Consolas
R-Rating, Footers, and Numbering:
Verdana Bold
Rulebook's body text:
Chaparral Pro, an Adobe font
Here's a trick. When you have a PDF document open. Right-click and select "Document Properties" and you get a list of all the fonts used.
I would love official trifold templates to be distributed, but doubt that will happen, so I created my own A4-sized version for my own playbook creations.