Nikon
The Pentax K-r Digital SLR Camera (Body Only) (Black) is that lightweight, mid-range 12.4MP digital SLR camera that also shoots dazzling 720p HD video that you've been looking for.
It's got a few other things going for it, too--like a high resolution 3" LCD display with 930,000 dots, up to 6 frames per second shooting speed, super-accurate 11-point autofocus system, sensitivity up to 25,600 ISO so you never miss a photo due to low light, shutter speeds up to 1/6000 second to freeze the action, and dual power options, either rechargeable Li-ion or easy-to-find AA batteries.
Wait! That's not all: the K-r has an efficient dust removal mechanism that automatically shakes dust off the CMOS sensor, a custom image function for applying one of nine creative modes (such as Bleach Bypass, a dramatic effect used in movies) to any particular image you wish, a digital filter function with a choice of 18 filters to process images without a computer (including Starburst, Sketch, High Contrast, Fisheye, Toy Camera, Posterization, Retro, etc.), an upgraded HDR (High Dynamic Range) function to create a superb image in difficult lighting situations (by combining 3 different exposures of the same scene) even without using a tripod, and 3 different cross processing options to create dramatically different colors. It even has a high-speed infrared data transmission system--the first in a Pentax camera. So, what d'you think?