$1 any Size fountain drinks are back!
While I can't confirm 100%, the rumour mill seems to be pointing to a start date of April 30th 2013.
I will update this thread as more info comes available.
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04/30/13:
Start date is confirmed. TV ads are playing, signage is up in most stores, the promotions page on the website displays it, AND... I Just got back with my $1 large Fruitopia.
It's ON!