The reviews are coming in now for the new edition Age of Sigmar and its well worth checking multiple reviews. There are some great shots of the sprues and discussions on how the Endless Spells work as well as game mechanics and first impressions.
These are the ones I have been watching.
via Frontline Gaming
https://www.youtube.com/watch?v=pIQZbLz4VqM
via Winters SEO
via WargamerOnline
via Mini Wargaming
https://www.youtube.com/watch?v=4yhzRsBYao4&t=9s
Other Reviews in a non-video format
via War of Sigmar
Rules: https://war-of-sigmar.herokuapp.com/bloggings/3029
Generals Handbook 2018 https://war-of-sigmar.herokuapp.com/bloggings/3032