After Cartoon Animator 4 has officially launched on Reallusion.com in early 2019, then existing CrazyTalk Animator registered members, can log into the store (http://www.reallusion.com/store/default.html) with their PremiumPlus member status to check the Early Bird discount.
You may refer to the below FAQ on getting a special member discount: -
https://kb.reallusion.com/Purchase/50042/Where-to-find-my-Upgrade-and-Member-Special-discount