Back when people were speculating that Ultimecia was actually a future immortal Rinoa return in time to initiate the loop that started everything, I thought it was a good game with the sickest ending next to Planescape Torment.
Even after the myth was busted, I still feel it is the best ending that Square ever accidentally conceived by leaving their mediocre ending slightly ambiguous and allowing the player to draw a crap load of coincident together.
It was a fun game and I enjoyed in more than VII.
Nuff said.