The Prologue that plays when you cross the newly-built bridge can warm a gamer's heart.
If Dissidia is canon, then it makes the Warrior of Light's pledge to save Garland even more moving.
"Whatever destiny the world may hold for me, I will never give up. This battle shall come to an end, and I shall save you too!"
And he does mange to save Garland, just like he promised.
In the Dawn of Souls remake, there's a bonus dungeon with a level filled with the souls of various monsters from the game. To beat the level, you need to talk to these souls and listen to their problems.
In another one of the dungeons you run into a colony of Dwarves. One of them happens to be a big fan of Nerrick's, if you want you can help him get an autograph signed by the master craftsman.