I'am happy to see the new theme coming to serverfault with the ability to watch tag.
One feature that was lacking the old theme was the accepted answer's box from the list view. It's not like on other SE site where it's a filled green box (you can see a feedback there; https://meta.serverfault.com/a/8027/256639)
So I'am happy to see a theme more easy to read with those green box, like all other SE's site.