There are functional brake vents up front. They are located in the lower grille opening towards the edges closest to the fog lights.
I wouldn't mind seeing brake ducts for the rear as well, but I don't know that's nearly as necessary as the ducts for the front are. In road racing, the majority of the braking is done by the fronts and thus they need the cooling a lot more.
I would love to see some LED style fog lights exactly like they were on the Leno front fascia as well. I'm not a big fan of having two sets of fog lights where one set is for DRL and the other being for actual use as fog lights. Just seems like too much is going on there.
My suggestion for the future would be the active headlights, where the projector actually swivels left and right in tandem with the steering. Maybe even up and down depending on the incline of the road you're driving on. I imagine the kind of design and testing required for this, though, would be pretty extensive.
I really like the back-up camera. But why have the back-up sensors if you've got the camera? I think that should be an either/or kind of setup. The back up sensors are just so darn ugly in the rear fascia.
I'm glad they made the suede an optional interior choice. I wouldn't mind having the suede on the dash and trim, but I definately would not want it on my steering wheel, gear shifter, or seats. I've seen what suede looks like in a car after a few years of daily driving. Let me just say, it doesn't look pretty.
I don't know if anyone has said yet, but is the center stripe a gloss black or a matte black? Is there an option to have the carbon fiber insert left unpainted? I would love to get a black one with the carbon fiber parts left unpainted

That would look absolutely killer
Overall, I really like the look of the car.