As the weather changes, so do your camera options. Are big-name manufacturers saving their best models of the year for last? This holiday season look for cameras with innovative features like a secondary LCD screen on the front, a built-in projector, the ability to shoot high-definition video, and even GPS capabilities for geo-tagging your shots. And remember that a high pixel count isn't necessary to take great pictures-a high megapixel count matters only if you want to make large prints. Whether you're looking for pocket-size models or digital SLRs, check out our chart rankings for the best in each camera category based on PC World Labs extensive tests.