I agree that the top of the Assault tree is crazy powerful and should be the default first choice for the first couple Commanders. I do like Leadership as an option for later Commanders, especially if you have +1 free promotion somehow. Building a Commander for ageless yield buffs and increased troop carryover is a very nice use of late-era hammers.
I think the remainder of the Assault tree isn't all that exciting, and it's an interesting decision whether to continue straight down Assault for the fastest possible Commendation or to go into a different tree after Initiative. Logistics in particular has a very nice mix of combat and infrastructure buffs. At the moment "open Assault, then go down Logistics" is my default path for my first Commander.
I think the remainder of the Assault tree isn't all that exciting, and it's an interesting decision whether to continue straight down Assault for the fastest possible Commendation or to go into a different tree after Initiative. Logistics in particular has a very nice mix of combat and infrastructure buffs. At the moment "open Assault, then go down Logistics" is my default path for my first Commander.