I bought this for my son for Christmas, however a week ago my two-year old Macbook Pro stopped working so I needed to "ẗrial" his present to get some work done.  I've been using it for a week and love it.  I feel sick that I spent $1200 on a Mac when I could have purchased this for $150.  The biggest difference I've noticed so far is that the keyboard is not as sensitive, but if that is the only difference I can sacrifice a less sensitive keyboard over $1000 in savings.  Internet browsing is just as fast as my Mac and the whole computer feels very similar.  I actually like the way this one feels a little better because it is much lighter.  I will be buying another one for myself.