I'm quite looking forward to checking them out.

Here's some discussion prior to the release (which was two days ago) of this new specialization (3 courses rather than Ng's original single course):

Andrew Ng updates his Machine Learning course (deeplearning.ai)

https://news.ycombinator.com/item?id=31435801

Submitted by carlosgg | 29 days ago | 328 points | 124 comments

How beginner friendly is this course? Any math prerequisites?