I overally like the RTD years and the first and a half of Moffat's. Everything else is basically very weak, with the occasional bright spots (like, you know,
Day of the Doctor and stuff like that).
The problems with season 9's story arc:
-It was depressing. I'm okay with the show getting a darker edge, but I do not want to be reminded of my own mortality each week when I tune into Doctor Who. Even The Walking Dead is more uplifting than the typical season 9 episode was.
I was fine with the tone, as long as the series had an endgame. In other words, I could excuse the edgier feel if there was a reason to it. But there was none. I mean, I still don't understand what the Hybrid is, or what the danger that it entails was. All I know is that the Doctor loved Clara so much that he basically broke the rules of time and space with her.
-There was no subtlety. Every season 9 episode might as well have had a giant neon sign visible in every scene with "PEOPLE DIE CLARA WILL DIE" written on it.
Absolutely. I don't understand what happened, as even stuff from latter Moffat Who has had subtle touches here and there. Its the most obvious sign that he basically cares ziltch, on a producer and on a writing level.
Seriously, the more I think about it, the more I dislike 8 and 9. Sure, 9 had some decent two-parters, but they're too threaded into the arc for me to be enjoyable.
So, in short, 6, 7, 8 and 9, with special emphasis on the latter two.