Dispatched the two Pex males this morning. There was absolutely no doubt.
I am not 100% sure on the rest of them yet, but it appears that I might only have one more male in the whole group.
Nice to have lots of females to choose from, but it actually looks like all 4 of my CBDream x Critical Kush are going to be females - which is sad because I wanted at least one male so I could back-cross him to his aunt (the female CBDream).