They Shall Know Fear

Hey folks!
My first foray back into battle reports in 8th edition starts with a friendly game against a friendly local.  I'm learning 8th edition and am not ready for tournaments with my super fluffy pure Space Marine (Angry Marines Counts as Ultramarines)....

Fine 40k players, its been an age.  Seven years to be precise.  I haven't played Warhammer 40k since my career high of winning Best Sportsman at the Nova Open in 2011 - the crowning achievement of my Warhammer career.
I poked around in 6th edition, but the game was too confusing; too many armies, too many allies, Necrons allying with Orks, needing to buy 6 Ork books to even figure out how to build an army...nah....

     The very first thing I did upon deciding to jump back into the hobby was to purchase the new Ork Codex.  Bear in mind that I'm still hazy on post-5th Edition rules, so correct me where I'm wrong, but let's jump into this particular rant.
I can get behind "Adapt and Overcome."  I've always intentionally fielded underdog armies.  Tau at the start of 5th before trading out for my Necrons, Orks because I wanted to get close and smashy.  The new codex strikes me as....less "in your face"...

I went up to my FLGS today to do some re-learning of Warhammer 40k, and perused my shiny new Ork Codex!   Keep in mind that I skipped 6th edition, so I'm really drawing parallels between 5th Edition and 7th Edition.  Observations and questions below...