I did read all.
I was thinking about the perfect conditions for monitoring: (guitar > soundcard > reamp box > amp) because imho its better to hear exactly what is being recorded instead of splitting the signal at di box and being surprised later that the sound is not like you wanted (after coming through di box, soundcard preamp, ad & da converters, and finally reamp box it will not sound 100% like after just coming through di box split to the amp).
Fair enough. I see what you're getting at. Hell, it's easy to get confused with this shit! What I'm concentrating more on is if you don't have a reamp box and/or are outsourcing your guitar recording to another studio. I'm getting a lot of stuff sent my way & a public "how to" guide can save me a lot of answering the same questions.
That being said, for my own stuff, I'll have to try out my Great River's HiZ inputs next time & send it out to the amp via the soundcard & reamp box. It's a 1.2 MegOhm input.