Gamespot has posted their review on Call of Duty 4 for the PC, giving it a solid 9.0 out of 10 with Editor’s Choice rating.

From the article:
The single-player campaign is over in a flash, but the high quality of that campaign and its terrific multiplayer options make Call of Duty 4 a fantastic package.

From Wikipedia:
Call of Duty 4: Modern Warfare is a first-person shooter developed by Infinity Ward and published by Activision for Windows, PlayStation 3, Nintendo DS, and Xbox 360. It will be the eighth installment in the Call of Duty video game series (including expansions), the first not to be set during World War II, and the first to be rated ‘M’ for Mature by the ESRB. It was announced on April 25, 2007. It was released on November 6, 2007 in North America, and in Australia on November 7, 2007. It will be released on November 9, 2007 in Europe. The game will also be available on Steam on November 12, 2007.