Can anyone tell me if the 11.6 inch MBA processor (1.6) is roughly comparable to the Alienware M11x 1.3GHz (when it is overclocked to 1.6)? I am in desperate need of a second computer to carry with me for work as I travel. My main computer is a 17 inch MBP i5 and it has been fantastic. Carrying another 5 pound + computer is really tough because of the weight. I am replacing an old HP (currently my backup) that weighs nearly 8 pounds! Other than the Sony Vaio Z (which uses a proprietary HD), there seems to be nothing out there that fits my needs. Ideal computer would be a 13 inch MBP (4.5 pounds or so) with a powerful dedicated video card and a lower end i5. I would have to go with the first gen Alienware because I need a VGA out as well. Also, the new Nvidia Optimus technology is way buggy and does not work correctly (as I found out on a Samsung QX410 and had to return it after many, many hours on the phone with Samsung and Nvidia). Hoping the next gen of MBP will be lighter and more powerful!