Agent Confusing Flashback will live on in our hearts!
Seriously though, I'm glad he's gone. Agent Bowie Reinvention went from being a lacklustre hero to a fantastic villain, but his constant escapes and reinventions were grating a bit, and I was fully expecting Hive to switch hosts or be exorcised, leaving Ward alive and well and back in his own body, so I'm glad that didn't happen. Though I'd not be surprised if we get a Agent Robot Double LMD before the end of Series 4.
Overall, it was a very satisfying end to the series. I think it might have been a bit stronger without all the hinting that SOMEOENS WALL DIES, and all the fakeouts to keep us guessing who it would be. I'm also glad that Luke Mitchell stepped up his game (and the writers found more interesting things do do with him) in the last few weeks, because Lincoln as the casualty would have been pretty underwhelming otherwise. I'm also going to call out Fitz's Optical Camo gun as the best weapon of the series, narrowly beating out shotgun-axe 2,0
But I have to say, the teaser for next year has me so very pumped for the show. Coulson demoted back to field agent? YES! More John Hanna? YES! More crazy Marvel super-tech? YES! Goth Daisy? YES! (though let's be honest, if she just started wearing the makeup style she was using when she was a pop star in Korea, she'd never show up on SHIELD's facial recognition imagery)
EDIT to add: I meant to say that Daisy and Agent I know Kung Fu's fight at the start of the last episode was killer. Kevin Tanchoren is a phenomenal action director and possibly the show's best asset (he directed the May vs Agent 23 episode last year, for example). Also loving the more creative uses of Inhuman powers.