The processing is top, it writes itself exceedingly angenehmm with the keyboard and all its connections, USB, etc., are located on the back does not bother me much.
However, as also on several occasions described the fan but quite noisy. Even with my old notebook, the fan over the years was not as loud as in the Acer S3.
But I think this can get over or you just puts a little more money on it for the MacBookAir)