Yes, I very very much want them to show up, not even for my own sake any more but to help comfort Luffy in whatever way they might manage. (Well, that's for my own sake too, of course, but you know what I mean.)

Maybe if one of the characters' present has some power we've never known existed until now. But I am afraid that Oda might indeed have been saving this for the right time. Cruel bastard. ;_;