"As it stands, if you're an OS X user the MacBook Air is a solid ultra portable. If you're a windows user with no interest in OS X, the Air just doesn't make sense - luckily you have many more ultra portables to choose from.
For Apple the iPhone changed everything, we must now grade both the hardware and Apple itself for the product. The MacBook Air gets the nod and although Apple gets a B for effort, we expect more. You've gotta earn that stock price Steve."