Now that bean counters have a sense for consumer Blu-ray appetite when HD-DVD is out of the picture, it looks like 15 million of the high-def discs will sell in 2008, according to HMR Research. From mid-2006 (Blu-ray's launch) until the end of 2007, 9 million Blu-ray movie discs were sold in the U.S. But from January 2008 until the mid-March, 3 million sold.