At the on-going Computex 2010 Expo, Google announced that Chrome OS would be released in Fall (September) this year.
Google's vice president of product management, Sundar Pichai said, "We are working on bringing the device later this fall." So now, we have a fixed time frame when Chrome OS will finally be made available on notebooks and desktops. It was in July 2009 that Google had announced Linux kernel based Chrome OS for desktops and notebooks. This open source operating system is based on Google's Chrome browser and is designed to work seamlessly with web applications.
Pichai added, "It's something which we are very excited by ... We expect it to reach millions of users on day one." Untill we come across and use a Chrome OS based device, we cannot say whether Google will beat Microsoft or not. Google Chrome OS would be available on notebooks and desktops from partners like Acer, Asus, HP and Lenovo. Techtree