How long do you think the price of the new Apple's MacBook Pro with Retina Display will go down?

I wonder what is the difference between Apple MacBook Pro with Retina Display and without it?

MacBook Air is one of the lightest and slim laptops now.

But it has no Ethernet port.

How can someone connect to the internet if there is no WiFi in his location?

Retina Macbook Pro would not allow any user to upgrade its RAM and Apple won't support any aftermarket hardware to upgrade its RAM,

what do you think should the buyer consider in choosing between 8-GB or 16GB RAM?

I read that Retina Macbook Pro has incomparable high-resolution display.

But images from many websites would look pixelated when opened in Safari,

How long do you think it would take for the Web developers to adopt in each websites into a high-resolution display?

Why apple laptops are built more thinner and thinner as it progresses through time and generations?

I want to know which device is the best. An Ultrabook or an Apple Mac Book?

If the New Apple Mac Book Pro with Retina Display has a crisp screen resolution which shows great outcome specially in pictures, you think it would also be good for gaming? Does it support games?

Apple is playing hard to get with the newest Mac Book Pro. It seems that it is out of stock. The price is also too hot. There are of two kinds:

15-inch 2.3GHz Retina display

 15-inch 2.6GHz Retina display

I want to know about its Retina display. Can anyone acknowledge me about the Retina display?

My friend loves her MacBook Air, but when she saw MacBook Pro with Retina display, she was very excited about it and could not wait for its release. I wonder which one is better?

How does the MacBook Pro with Retina display's hardware, software, and system differs with MacBook Air's?