Nine out of ten buyers of Blu-ray or HD DVD players say they are extremely satisfied with their purchase and plan to replace up to a quarter of their existing DVD movies with high-definition discs, according to research from The NPD Group and reported Wednesday by Home Media magazine. On the other hand, the survey disclosed that the overwhelming majority of of consumers -- nearly two thirds -- said that they were unlikely to buy any HD player for the time being, while 23 percent said that they were somewhat likely to do so. Only 11 percent said that they were extremely likely to buy a player. Fifty-four percent said that they are waiting for the format war to be settled before buying an HD player.