Alienware M18x up on Canadian Dell website

Dell: Dell Inc. is one of largest technology corporations in the world. Michael Dell started the company in 1984, and it sold computers built from stock components. Previously named PCs Limited, the company created the "Turbo PC," the company's first computer. In 1988, the company changed its name to Dell Computer Corporation. Dell sells personal computers, servers, data storage devices, network switches, software, and computer peripherals. Dell acquired computer hardware company Alienware in 2006, and Perot Systems, an information technology services provider, in 2009. Dell is also considered as the third largest PC vendors in the world, next to HP and Lenovo (as of 12/30/2013). 

Microsoft: Microsoft is the company behind software like Windows, Microsoft Office and hardware like the Xbox and Kinect. The company was founded by Bill Gates and Paul Allen. MS-DOS was the product that propelled Microsoft towards success, but it is Windows and Office that made it what it is today. Microsoft is currently engaged in a number of projects, including Windows 8, Windows Phone, Xbox, Office and the Azure cloud computing platform. the large majority of desktop computers run on Windows.