This is my personal wiev on DAC and it is my opinon and plans for DU.
I have enough money to pay subscription and play for fun, in Eve online never have to measure ISK/hour always doing activities which I like to do, not have to do.
I have sam plan for DU. Buy subscription to play, buy DAC to get in-game money and then do activities I like.
So there will be always DACs for players with enough in-game money and if you very active ingame you can play it for free.
cu all in alpha 1