Well, Samsung has finally announced the list of phones that will get 4.4 and the S3 is on the list. Now we just wait for Verizon to send it out to us.
http://www.droid-life.com/2014/02/18/samsung-confirms-list-of-phones-and-tablets-to-receive-kit-kat-updates-begin-today/
http://www.droid-life.com/2014/02/18/samsung-confirms-list-of-phones-and-tablets-to-receive-kit-kat-updates-begin-today/