I use Adobe InDesign - it allows you to put together a library of symbols and shapes that you can re-use to build your mockup very quickly. Once you've put in

I use Adobe InDesign - it allows you to put together a library of symbols and shapes that you can re-use to build your mockup very quickly. Once you've put in a little bit of work getting these elements together you're good to go. It also allows you to add additional pages, auto page number, import images... you name it. Probably not what Adobe had in mind, nor is it a cheap option but it's certainly versatile.