We're not going to kick anyone out for not liking the new format, don't worry 
Whenever there's a change, it always takes folks a bit to get used to things. There was a big flame-out over the forum update two years ago, but everyone got used to the changes after a while. That'll happen here too as everyone figures out where the buttons moved to.
We actually consolidated a lot of scattered pages and features from the old JU into the Dashboard. It's actually easier now to manage your account and blog information now, and the editor should be MUCH easier to use.
Of course, there will be things that don't work, features we need to add. We're looking at all the feedback we get from users as we move forward. I can't promise we'll implement everything requested, but we are taking almost everything into consideration.