I'm one of those odd birds who likes to fly VFR in FS9, using real charts, planning the flight the "real" way, using real-world weather data, and not bothering with the sim's flight planner, GPS, or Map utility.
I have quite a few expired USA charts, but not all of them, and can't justify the expense of buying charts just for flight sim (my recent real-world flying has not required much in the way of charts, either).
So I've taken to making screencaps of chart sections displayed on SkyVector and/or RunwayFinder, and printing them out... but even this can get costly, and it's a bit of a pain to do every time I want to fly.
So I finally tried out an add-on that allows you to view pdfs in a pop-up window, with minimal framerate hits(Nils Meier's very simple pdfKneeboard). I've decided this works for me, so I've begun piecing together a library of complete