I think that I already posted my answer, I completely forgot :P

Final Fantasy: VII

Plot: Everything started thanks to the greed of Shin�Ra (that happens in this world) then you go learning about life... I felt kinda jealous and sad >:,( because I thought that I was the only one who figured out something like the Lifestream (Gaia hypothesis)... Then after thinking a little bit more, I felt happy :3 because it was good to know that some people believes in that theory too.

Gameplay: Yes, the Final Fantasy style was lost (warriors, mages, thieves) but the Materia did everything easier, if you work hard you can get one free!

Characters:
*Cloud - I'd like to know what's behind his crazyness, depression (whatever).
*Sephiroth - Schizophrenia? I'm sure that he's not a mommy's boy.
*Aeris - Isobel?

Bosses: Maybe the Weapons sympolize something, before the final boss... why did that thing looked like Jenova doll instead of Jenova? That One-Winged Angel looks really disturbing, once more, why did it have to look like that? There must be astronger reason than "it looks epic/cool."

The game didn't get the best OST (FFIX did) but it has some good pieces. The game is great itself so stop debating the undebatable.

Final Fantasy IX. I've played it the most times and I still love it to death and never get sick of it.

Final Fantasy IX, since we are naming just one. My favorite RPG of all time, so how could it not be that. Characters, storyline, battle system, all awesome.

Xenogears.
Wish we had a more satisfying sequel than Xenosaga.
After all, at the end of the credits of Xenogears, they pulled a Star Wars and revealed that the game was Episode 5.

Lunar: The Silver Star



I just love this game! There are really good RPGS for PSX but this one won my heart. The music is so great and full of emotion, the characters are funny and develop as time passes and Kyle is one hell of a character. I just love the game and the series, I really hope Lunar 3 ever gets released ^^

FFIX great story, great characters and character development, simple gameplay, I really like that each character has a certain set of abilities, amazing soundtrack, great sidequests and mini games, and the references.

Final Fantasy VII