One of the reasons for doing partial mashes is your tun isn't big enough for big beers. Even with a 48-qt tun, I still do PM for barleywines to avoid really long boils. I think you've got a good plan.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk