the gold edition has it
just sh4 game sells for $20 and then you still have to buy the download only version 1.5 ad-on that cost $10 more or you can just buy the gold edition of the game that was just recently released which costs $30 and already includes the 1.5 ad-on
see it here:
http://www.subsim.com/radioroom/show...t=gold+edition