I was wondering if anyone was gong to the 2011 national Barbie doll collectors convention or has ever been to one in the past?  I plan on going to the 2012 convention and was wondering if anyone had any info on it.  I hear it is going to be held at the Hyatt Regency in Orange county Califonia but thats about all I know.  I understand that it is customary to buy your table mates a doll.  Also wond…