3 Fill out the Dungeon and Dragon pdfs to cover the missing ones you have the rights to do so for, more than just the first Savage Tide Dungeon issue for example.
Not gonna happen. Being able to make new PDFs (or modify existing, or make AoW/ST hardcovers, or do Dragon Compendium 2) is not permitted by the deal Paizo has on the mags. We just all should be lucky that they weren't pulled down during The Great PDF Debacle...