Just got my Far Cry 4 code and entered it on PSN, so it's up and running again. I know quite a few people have been waiting, so I figured a thread was in order.
http://www.playstation.com/en-us/inside-playstation/events/2014/ps4-4games1pick/
http://www.playstation.com/en-us/inside-playstation/events/2014/ps4-4games1pick/