I don't understand, Andy, why you didn't have any "conversations with several friends who work at Ancestry" to find out when the 1930 index was completed. But, since your conversations are no doubt imaginary, here is the official answer:
http://corporate.ancestry.com/careers/companyhistory/(for laughs, see also:
http://ancestryinsider.blogspot.com/2012/04/monday-mailbox-i... )