Mildly-optimistic thumbs-up in general. I have a few complaints and reservations, as well as some doubt that it'll become my new system of choice, even if I'm pleased with quite a bit of what I'm hearing about what's coming with it.
Up. I'm not seeing anything that is convincing me to change my initial impression that it will be a pretty darn good game, sooner or later. I'm also in no hurry to adopt, but the sheer silliness of some of the chicken-little reaction is creating a perverse well of goodwill towards the game.