Just installed IS on my Air. Arrived in post today 7 days from order to Australia, very happy with the service. I was impressed to see the application spray and even a rubber squeegee thing on the pack. It was very easy to apply after carefully cleaning the Air. Very pleased with the end result. Much easier to grip and I like the glossy look. I left the wrist and track pad shields off because I like the way the slide better without it.