This guy just did a huge Apple comparison with the new Air notebook computer, both with and without the solid state add-on drive. The verdict? The Air in general is slower than both the Macbook Pro and the Macbook, and the battery life is only average. Photo by John Biehler The writer was optimistic that the solid state drive would be a good investment. Unfortunately though, it provided rather lackluster performance, and hardly increased battery life at all. I've had my own Macbook Pro for a long time, and most of my friends have Macbook's. I'm purposefully holding off the Air because it looks ...