Namine is also a special case because of whose heart she comes from.

[whereas the rest of them were all born out of sin or something akin to that, which is why they get that X in their names. Not that he really wants to tell that to Roxas just now.]

But for those of us who aren't born from Keyblade wielders or hearts of pure light, we pretty much just go back to being the person we were before.