I also emailed Rebecca and she said the same: They are looking for scores that exceed the minimum requirement.
With that said, I got an overall of 71, but I'm afraid that's not good enough. Technically I have exceed the recommend amount, but I doubt it's good enough. I'm very surprised they can't give an average, or seems like that's an important factor to know. As far as the difference in deadlines, not sure of one is favored over the other... Good question.
if you don't mind, what was your score? I've read in other threads that a 75+ will get you in. Personally, I know someone who got in with a 75