When I used my Air today, I noticed that the trackpad button seemed raised. It was like you could lightly push down on it and it would "click", but not actually click. If you pushed harder, then it would actually hit the button and click. Hard to describe, in another way, when you put your finger on the left side of the button, while pushing it down, and slide it to the right, it makes a loud clicking noise. Anyone else had this issue? This is my second Air with the same problem. My first was exchanged due to several problems, and now I get one of the same issues. This is a bit disappointing. Now I really wish I took their offer of exchanging for a Macbook Pro.