"For ArcGIS 10.2 and 10.3"--Front cover. Preface -- Acknowledgments -- Part 1: Getting To Know GIS: -- Introducing GIS -- Introducing ArcGIS -- Part 2: Getting Started With Maps And Data: -- ...
Yes there is a difference. Trees are getting cut down refers to an action that is in progress. Someone is cutting the trees. It is the form encountered more frequently. Trees getting cut down can be used in the context of an intended action. To explain: If someone has decided to cut some trees down, they may be referred to as the trees getting cut down. The trees are still standing at the time ...
In your exact context, the real underlying implication is probably more don't go too fast for your dating partner rather than ...for yourself, but that's just a quirk of the exact context. Normally, getting ahead of yourself doesn't imply being precipitate / over-hasty from the perspective of others.
To Get is the normal form and would be best for everyday use. However book titles are allowed artistic license. Regarding the to Getting forms, I would think of it this way: 1) The Essential Guide to (doing something) + (which is) Getting Your Book Published and 2) The Guide to (doing something) + (which is) Getting it On In these examples each phrase can stand on its own, but you have follow ...
This job’s really getting to me. Idiom "get to grips with" I'm trying to get to grips with the new software. As for your last example: He’s refusing to testify. I think the Mob got to him. You could perhaps explain this as a combination of Arriving somewhere and annoying. Or you could just say it's another phrasal verb with a special meaning.