my brother finally got approved after app transfer from vermont to nebraska on 02/25/2013. he only sent in two days later than I did but his approval was two month after mine. his time line:
accepted: 10/03/2012
bio: 11/09/2012
transferred: 02/15/2013
approval: 03/20/2013
eac13900152XX

thanks for all your help. i really appreciate your help. good luck for those of you still waiting.