Q, exactly, you don't need that, I do. Some of my future modifications will require heavy supervision and tuning until they are running exactly right. Why would I program a readout to say 300degrees? It gives me the actual temperature as the trucks ecm is receiving it. I can fine tune exactly when I want the fan to turn on to achieve maximum efficiency.
The laptop does not have a DVD player and it doesn't have enough memory for my music, the only reason it is there is to run that program, and when I get my USB GPS unit, to be a GPS map for me.