Recently I upgraded my note-taking tools from Moleskine + Sharpie Pen to Midori Traveler's Notebook + Fountain Pen / Blackwing 602 Pencil. I also carry a couple of Field Notes on the go; you just don't know when that next-big-thing-idea will strike you. I make sure to capture it in ink when I catch it!
I found out that I am more inspired to write/take notes when I have better writing tools. Here's my current "system": https://twitter.com/ProductivityBit/status/38016214069634662...