This will probably get buried but something that I think should be clarified in this article/Austin's remarks on the podcast is that the armies from The Old Worlds didn't go away with Age of Sigmar. All the existing races and models were given free rule updates (even new models since have free rules). There are a few cases where lesser played factions are likely not going to be supported going forward, like Tomb Kings or Brettonia, but if you already had an army of these factions you can still play with them. They still have rules, they just won't be expanded on. When Austin and Vinny were talking about this on last week's podcast Vinny had asked if the new world ending meant that the army you built up is useless and unplayable now, and Austin said yes. I think it should be noticed that this isn't the case.