Dude I hear you. I have a 6 and it's perfect, just a little slow, and I feel confident I can repair it and it is somewhat durable. Is it waterproof? No. but I have a headphone jack and an actual home button that clicks. Replacement parts are cheap, I've replaced the battery ($20) and the BT/GPS antenna ($4) and it's been rock solid for 4 years besides those 2 issues.
All of the new features I'm missing:
-glass phone (now I have to worry about 2 sides of the phone shattering)
-waterproof (ip67)
-no headphone jack
-better camera (I remember when the razer had an amazing 1.3mp camera)
-faster processor
-face id
-qi charging
-???
I think the next iPhone i buy will have to have USB C, they'll have to make the change sooner or later, plus it makes sense when you look at the macbook, macbook pro, and imac pro.
It's funny because everything after the iphone 6 steve jobs had nothing to do with... IDK why I used to get excited about the new iphones and macbook pros... now I get frustrated. Here's to hoping there's something to get excited about this round.