The Windows 7 laptops are upgradeable to Microsoft's new Windows 8 operating system (coming Oct. 26), and they're targeted at consumers who want affordable thin and light computers.

Lenovo: Our Windows 7 Laptops Are Faster. Mobile Computing By Darren Gladstone, Oct 26, 2009 10:32 am PDT. Hope you didn’t put away those Windows 7 party hats because, ...

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Now, the U1's specs are clear: Windows 7 Home Premium and a 1.2 GHz Intel CULV Core i5-540UM CPU, 2GB of DDR3 RAM, and a 320GB hard drive, along with one USB port and HDMI.