Yea, on the account splitting/moving front I too had to make multiply calls to blizz HQ. It wasnt until I was on the phone with a rep who was also a multiboxer and she pressed for it to happen for me.
She had to take the request to her super like 3 times, I sat on hold for a good lil bit. Before it was all said and done, then I was ran thru the whole "we can never do this again, chit chat".