> My original goal for it was as a way to get ideas out of my head and onto "paper".

Yeah, I've found a project log as a good way to get an idea out of my head too--or out of the tabs in my browser :) until I'm ready to get back to it.

Sounds like your app has some similarities to my Labradoc site (http://labradoc.com/)--I haven't yet succeeded in being able to monitize it. :)