Windows 7 (formerly codenamed Black comb and Vienna) is the next release of Microsoft Windows, an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops, Tablet PCs, and media center PCs.
This was the first style that took me less than a day to complete it and that's because it is almost like Windows Vista.
Also you will notice that this style is very very fast in fact that it doesn't have heavy Shell style images, soft shadows etc