My Preparation and experience was different for CISSP CAT Exam taken on 01/10/2018.
Feel Free to reach out to me if you are interested in learning more.
Good to know! I took the SSCP Prep course through Global Knowledge in 2015. I understood the concepts but haven't taken the test yet as the closest testing facility is about 2 hours away and the certification isn't necessarily required for the job I am doing.
I agree with your study recommendations.
I passed my CISSP for the second time in 2014 and I used the heck out of the Cybex books for review.
I passed the the CCSP test a couple of week ago and am waiting for my final validation.
I don't think GDPR is mentioned as such. So far I didn't see it in the official study book.