Patrick,
While there is a lot of good information in that PDF, I also want to add my endorsement of the AMT system. I don't think there is any way you could come up with so comprehensive a system for that amount of money. A real bargain, I think.
The AMT system is very flexible, and has templates for a a variety of levels of projects.
Just one caveat about this process, though. You can spend a LOT of time (and money) trying to make your templates conform exactly to "what you've been doing." Sometimes it's better to be a little more flexible and not fritter away time on what may be a marginal graphic benefit. Getting the section arrows to match exactly, say, to the current office standards may be possible, but potentially very expensive.
Richard
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Richard Morrison, Architect-Interior Designer
AC26 (since AC6.0), Win10