I can't stand that there's no selection for bookmarks anymore. What the heck was wrong with the old way of managing them? I can't select five and open them all in tabs via Option-clicking, oh no, I have to right-click and use the official "Open in Tabs" which instantly deletes all of my existing tabs for absolutely no EFFING reason.
Oh, and you can't search your history anymore. Nor get to it anywhere except the Menu Bar.
Other than that, I'm loving everything in Safari 7. There's even a dedicated right-click menu option for downloading any video embedded in a page!