FF6 is definitely worth playing. Easily my 2nd favorite FF.
The thing I like about FFX-2 is that it doesn't try to hide the fact that it's trying to be an empowering shoujo magical girl anime trapped in a PS2 game. I am a fan of CLAMP, so I can sorta appreciate it. I remember reasearching papers on those types of anime, and reading about how they serve to empower younger female audiences with the idea that they can succeed, can be strong, etc.
But I dunno. It just wasn't a Final Fantasy to me. It was more like a Fanfiction and it kinda ruined my vision of Spira. The plot was kinda lame too. I enjoyed the battle system though, rofl.
Plus they end up being sort-of paired with those three guys, nooj, Baralai and that other guy (I forget lol). Sailor Moon style pairing rofl.
Also FFX2 changed Wakka's english voice actor. I couldn't forgive them >: (
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