The only things I would like to see are... more characters and better limits...
Like I said another post, squalls limit sux... Screw clouds overpowered omnislash compared to squalls lionheart inwhich in the game, almost does 9999 all the time... Characters I want to see are...

FF1- I don't really think they can, unless they name the white mage...o.o
FF2- Minwu would be cool
FF3- Refia maybe?
FF4- Kain(confirmed so),and maybe fusuya
FF5- Galuf or Faris
FF6- Celes or sabin, but I think lockes in it
FF7- Vincent...
FF8- Laguna or Seifer
FF9- I don't care...
FF10- Auron!!!!!
FF11- maybe dark lord?
FF12- Vaan and Vayne.
FF13 Lightning and... cid?