Just depends on timing and how soon you plan on getting the truck. The closer to the end of the year for 2020, the better. Obviously, because they want to make room for 2021 trucks. I was able to get my 2018 Pro without MVA in June end of July - I think by that time, all the dealerships around me had at least 2-3 sitting on their lots.
Edit: I mean end of July.