Help me understand computer options

Correct me? You mentioned "not keeping it stock for long" Will the hotwire setup allow you to "allow" for engine changes? You have to pay to reflash each time? And how far can that go?

If you are considering MS3, what is "gold" that some of the other stuff of theirs "is not." That is, hardware, software, that can be integrated to "build" to gold level? That might be a savings.

If a hemi project ever materializes, I'm considering MS3 over Holley

I'd have to find it, a member here did a Hemi/ A body/ MS setup that turned out nice