Like you, I think DS9 and TNG's are the best.
Voyager's wasn't bad; it was certainly one of the show's better episodes (I found the quality of the episodes, in general, varied from week to week.) I just felt sorry for Janeway at the end; unlike the Janeway at the beginning, HER Voyager got home "early," but she's still going to have to go back in time and save them, otherwise the new timeline will unravel…
I never watched the Enterprise finalé. I heard so many good things about it, I decided to give it a pass… 
Actually, if you think about it, the TOS finalé was Undiscovered Country.

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