Apple, let me make this simple for you. (You don't even have to pay me)
I (and thousands of others) want:
* slimmer bezel (whether it's 13 inch in currently 11 inch form factor) or (15 inch in currently 11 inch form factor)
* Same or similar MBA dimension. (I don't need it smaller, save that space for bigger battery
* PORTS... I will not bring dongles with me
* retina display (or better)
* fanless
That's not very hard, Dell can do it, I'm sure Apple with it's 700 billion market share can pull it together, right?
Well, it's sad but Apple will do what they want (just look at Mac Mini), because they have a great marketing that will convince people it is the best product they can buy (despit not being it in some cases), and they will sell it counting by millions.
Slimmer bezel? Agree, but if it doesn't mean reducing the nº of ports (it shouldn't mean that, but hey, it's Apple!). About the PORTS, I agree, I've read somewhere people defending a 1 USB MBA wich would use the same port to charge it. Are you mad guys? If you always claim you like portability and some less g of weigh, why the hell would you prefer to carry a dongle over having 1 more port?
About the fanless design, why is people so obsessed with it? Macbooks are not famous for being cool laptops under heavy loads, so I don't see a fanless MBP unless you want to use it as a pan to make your breakfast, and a MBA is so quiet you can barely notice any noise, so in both situations is pointless the fan-less design. The only reason Apple would go for a fanless design is to avoid the last mechanical part (alongside with trackpad click), not because of the noise.