I suspect, other than the website, that SE will not produce/send out more copies of the physical disc until the congestion settles down. I traveled far and wide throughout my city looking in obscure game stores for the PC version and all had zero copies. Even Amazon is T.O.S.
FFXI character: Elathia ::F Tarutaru::87SCH/75RDM/70WHM/54BLM::Cerberus/Ragnarok/Bahamut::1/23/2004 - 3/25/2015 :: Retired
RDM First 75 Job :: RDM Maat victory: March 28, 2008 (1/3) :: San d'Oria R10 Long live King Destin :: Praise be to the late King Ranperre. FFXIV character: Selene Silverstorm :: F Lalafell :: WAR60/WHM60/BLM60 :: Ragnarok :: 9/2013 -
Patch note archives for FFXIV: http://na.finalfantasyxiv.com/lodestone/special/patchnote_log/