The wraps came off high-definition DVD players at this year's annual Consumer Electronics Show, offering the final component to replicate the movie theater experience at home. And while a fierce DVD format war likely will delay the mass adoption of such devices, digital video is here to stay - the Consumer Electronics Association trade group estimates 25 million U.S. homes will have a high-def TV set by year's end. But big, expensive flat-panel sets aside, this year's gadget show offered plenty of smaller screens for video... Yahoo Inc., DirecTV, Starz Entertainment Group and Sony were also among the companies getting...