i dont think much more could be done without ruining the world unless its pulled off well, a remake would be good. See it updated and fresh like it was to me when it was new. There is so much that could be added without the need for a sequal, I wouldnt want the questions answered, thats what makes it fun but there is alot of room for answers, more mysteries, more developed towns and sidequests, more side stories more detail in the world, FF8 was very good for putting in History. Im sure Square has alot more things they would of wanted to expand upon. A larger more explorable Midgar (Preferably upper) would be pretty nifty.