Don't like the story and characters in X but I don't hate them either. They're just kind of mediocre. Great gameplay, though.
T > IX > V > VI > X
And after that is where things start getting into the "meh" territory where I can't distinguish very well what I think of them, except for XII being very clearly last.
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~LtM
http://img.imgcake.com/1312163320349pngag.png