Recently experienced the new 7M8, sitting in 4A. They did a nice job with the interior. Two observations about the flight:

1. The screens (at least what I experienced in F) are exceptionally large and crisp. I'm not a huge IFE user, but I know others are, and at least for me it made the moving map more enjoyable to look at while working.

2. I really appreciated that the FAs onboard were really excited about the new plane too. All of the welcome aboard messages specifically mentioned how it was a brand-new plane. The mood onboard was, dare I say it, lively!