She said in an interview that Arthur was going to die in book five - the snake attack - but she couldn't do it, so she saved him. I didn't know he was supposed to be in the scene at the end of DH, in Remus's place, but, yes, I am glad Remus and Sirius were together again. I'd have been happier if they'd never been split up to begin with... ::pouts:: I still haven't forgiven her for that, even if her point made some sense, I think she made a lot of stupid choices.