CNET is being acquired by CBS for $1.8 billion in cash. The purchase price is a 44.6 percent premium over last night’s closing price of $7.95. CBS CEO Les Moonves said “CBS stands for premium content and unparalleled reach, and CNET Networks will add a tremendous platform to extend our complementary entertainment, news, sports, music and information content to a whole new global audience. Together, CBS and CNET Networks will have significant additional exposure to the fastest- growing advertising sector and can accelerate our growth through a number of new content, promotion and advertising initiatives. We could not be more pleased with the prospect of adding CNET Networks and its tremendous team of people to the CBS family. I look forward to working with Quincy Smith, Neil Ashe and the considerable combined talent at both companies, as we build upon our success.”

Neil Ashe, CNET’s CEO stated “CNET Networks operates some of the most important premium online brands, serving the most sought after online audiences. Today’s announcement brings together two organizations that complement each other and working with Leslie, Quincy and the talented people at CBS, we look forward to taking our business and our brands to the next level.”

Among the sites in the CNET family that will be part of CBS Interactive pending approval: CNET, ZDNet, GameSpot.com, TV.com, mp3.com, CNET news.com, UrbanBaby, CHOW, Search.com, BNET, MySimon and TechRepublic. The company has also been building out its China operations, with sites devoted to womens content and auto.