My thoughts were....

Best ending ever!

Spoiler:
That chick, leona lewis or whatever, her song kicked in, fit the mood perfect. Badass CGI Cutscene, I loved it, I wanna watch it over and over. Happy in one way, sad in another. Fang and Vanille turned to crystal holding hands. Serah was back, Dajh was back, everyone was happy. Except where was Hope's dad? I forget what happened to him


So overall, very good ending IMO.