Free Printable Sketching, Wireframing and Note-Taking PDF Templates - Smashing Magazine: "Below you will find a concise collection of ready to print sketching, wireframing and note-taking templates. Most, as expected, are geared towards the design community, but there are also templates that could be used within any industry and for any purpose."
A couple of weeks ago I recommended a site for graph paper for sketching out your home shadow paths, this site has links to many sites with all kinds of graph papers, note-taking paper and many other specialized papers you can print out.
Go have fun.
