Like the rest of the internet, the first thing I did when I woke up this morning was to watch the new Star Wars trailer. I'm trying really hard to balance my expectations because I fully committed to the hype for Episode I and was less than happy with the result.
That being said, this new teaser really has me excited. After watching it, the first thing I thought was wow, I really have the feeling of a strong Ralph McQuarrie aesthetic. So I started to pull up some images and compared them to the shots from the trailer that tickled that part of my brain. To me it's more than clear that J.J. is really going back to the Star Wars roots and that is a very encouraging thing indeed.
EDIT: Also take a look at the subtle design changes to the X-Wings. They are much more similar to McQuarrie's original design. Specifically look at the split engines.