Hi there. I'm an engineering student looking for a computer to replace my old Macbook. I was wondering between the cheapest Macbook Pro 13 or the 13 Macbook air. In my country they are around same price and it would be my main computer. I would mostly use it for internet, LaTeX, C++ and Matlab. I wouldn't miss the firewire, ethernet and the DVD drive. I was thinking about getting the Macbook Air and upgrading the RAM to 8 gb or buy the Macbook Pro and get an extra SSD disk. Do you think the 8 gb RAM would be enough for the next 4 years? I already have the Ipad 3 so would it be just stupid to buy another device which primary function is to be very light? Is the screen in the Air much better?