It's a learning process. Glad you ain't quitting. Make the best of it.
I still say you need a cam change to pick up the middle.
Keep us posted with how it goes.
BTW, I'd like to ask you a question, and you don't have to answer it if you don't want to, but it may help someone along down the road.
Question: Before all this happened, would have considered heads that were not CNC ported if someone told you they aren't as good as advertised and hand ported heads could make more power? What would you have said?