Different strokes for different folks, I personally uncage it each pass, gives me a little warm fuzzy about what the winds doing for me, plus I hate looking at the ghost vector.
Let me know how that works out when you're actually behind the boat. And Hud limited. At night. In the weather.
I too know guys that use VV placement to get them in the ball park, but they're all 4.0 ball flyers, not training command studs. It's a tool the experienced guys use, not a crutch for new guys. Ball, line up, aoa is all you need to remember, or even be thinking about.