Not really a design entry (sorry to disappoint, but one will be coming tomorrow), but just a bit of detail —
I tend to do my initial design work longhand, moving to digital format later on in the process. The handwritten notes serve as both drafting space and playtest notes.
The draft notes for Far West are being written in a handstitched blank book, appropriate to the feel of the setting:
Sometimes the artifact is important to the feel. Something I should think about when it comes time to print.