I would spend money on OF v3 if the build decreases the minimum amount of months required to run it(for example, 8 months to 6 months or something). I already have OF V2 and purchasing another version of it would be a little redundant for me.
Phase 1: The Foundation
AM6(2020)
LTU v6(2020-2021)
OF v3(2021)
Phase 2
AM6 Refresher + SM3(2021)
AM6(2020)
LTU v6(2020-2021)
OF v3(2021)
Phase 2
AM6 Refresher + SM3(2021)