The new job classes for the GBA port  of FFV seem a bit silly (Gladiator and Cannoneer), and I think most of us could've made more interesting ones (Calculator anyone? How about a Musketeer class? Monster classes maybe?).

Similarly, I was thinking, What the hell do you add to FFVI? It already has 14 characters and a ton of optional content. Maybe some after-the-game epilogue dungeon thingy? I'd be up for seeing more of those characters after they defeated Kefka..