Okay, I have heard theres a 50% performance drop in the GPU IF theres an update of MBA's used with SB. Although I would love Sandy Bridge, I am skeptic on the fact that theres a drop in GPU. Now my question is: What is the drop? like how much is the drop? Give me an example? Like, if I ran X game at 50 fps, will I see a drop to 25 fps? or is it something like theres a drop in the GPU performance but not in the FPS. For example, although GPU drops half of the 320m's effectivity, it only gives 10 FPS less. Will anyone give me numbers? Also, since I dont need a laptop until september, I am planning to wait for the new Air, and wait for reviews. But my question is: if I decide to go for the core2duo Air after the SB Air has been released, the only option to purchase a core2duo Air will be through Refurbished store? or will there be "unused" core2duo Airs I could buy at a lower price. Thanks for your answers!