I'm all for more ways to get Cores, possibly even have all of the current ways re-assessed and have one or even two more Cores in drops. However, I also want Cores to be actually useful beyond Masterworking. Perk Rerolls and the like would be amazing. But they should not be used for the levelling grind in any capacity. They need to be a true end-game currency, something that players at Max Power would need to prepare for the hardest parts of the game.