Expected for Christmas 2010, these browser-based netbooks will run only web appsGoogle unveiled more details about its much-anticipated Chrome OS at a press event on Thursday, but those who were hoping for a beta release of the OS were in for a disappointment. "We aren't launching the product today. There is no beta today," said Sundar Pichai, vice president of product management. "Our target is the end of next year. We want to be there for the holiday season."