I'll pay attention to how this develops. Hands on application may be difficult. There are so many variables. It could be like nailing jell-o to the wall.
You need to do whatever floats your boat, but spending 2 hours after a roast, uploading and tweaking data on a computer sounds like a major PITA to me, but that's a completely subjective concern.
I think it's a better way to get going then by doing what I've done in the past. I've slowly upgraded over the years, and never took notes on a single thing.
"Amazingness in coffee is latent, not intrinsic"