I´m hopefull. Damn dont let this be Bioware´s last game. :/
Yes, each suit will have an "ultimate" attack. Dont know if they´ll have aditional unique skills. Everything else is the same regardless of the suit you´re wearing.
I actually liked the trailer...it seems far better in terms of content and story than the Gladio DLC. Lets hope for the best, though i think this game is still years away of being a complete Final Fantasy experience content and story wise.
More damage and has more health. Basically everything one shots you.