Hi! I am new here! Nice to meet you all!
Now on to what I want to say... I don't feel that Vaan would resemble Tidus personality- wise. The fact that he snatches stuff from other people and has a big dream of becoming a sky pirate soaring in freedom is more like Zidane- Both show some degree of dislike toward whatever symbolizes power, fame, and riches.
And I don't think we need to worry if Penelo is gonna be another hyper girl. Penelo, like many other people, dealt with the pain from the aftermath of the war, and people who endure horrible things usually are more mature. In a preview I saw, Penelo treats Vaan as a big sister who looks after him and guides him through life (even though it has been officially confirmed that Penelo is Vaan's girlfriend). Like that time when Penelo scolded Vaan for stealing and reminded him that the money belongs to the people, not himself.
I don't feel that the discrimination that Rikku suffered can compare to an experience as big as a war, but that's just me.
But Penelo's hope for a world of peace gives her that sense of optimism toward life that we would also see in Selphie and Rikku.
On another note... I do hope that guy who Penelo and Vaan are with is also a playable character... I want that old bangaa in my team, if not, a moggle would be nice...
BTW, doesn't it strike you that FF game has always put these 3 kinds of female characters as playable one? There's a gentle one, a tough one, and a cheerful one. Makes you think :rolleyes2