COD4 Weekend Brings Double XP, Half-Priced Maps

As we mentioned last week » 9/11/08 1:40pm 9/11/08 1:40pm, this weekend is a special double XP weekend for Call of Duty 4: Modern Warfare players, though now it's now an Xbox 360 only weekend, with PS3 fans most likely . Also exclusive to Xbox Live is a special half price sale on the Game of the Year Variety map pack. The pack will be slashed from…