I have been remiss in saying I love how the Home Screen now, no longer has the big gaps in space that I believe were due to the old version of WPF. YAY!
And, I think I am starting to like the ribbon down the left side. With Reading plans it's a more efficient use of space, you can fit more on there. I still think this should be an option for the user to decide, but I like this look (especially with the new font).