There are a lot of killstreaks to choose from. Choose wisely.
Over the years Call of Duty has handled killstreaks in different ways. My favorite way has always been scorestreaks — where kills and support actions build up your killstreaks — but with the release of Modern Warfare Infinity Ward has taken it back to the old school killstreak. In this mode, you can call in different awesome equipment to help you as you kill more people without dying. This is great if you only care about your Kill-to-Death ratio, but not so good if you like to complete objectives.
Full story from the WindowsCentral blog...