Theres some talk about Warner possibly being in violation of something by doing this... so we are yet to see for sure. Still rumors are flying about the numbers involved in making Warner BD only too... some are saying upwards of half a billion dollars

Well, for us HD-DVD fanboys at least we know that the Bourne movies, as well as the rest of the Paramount/Dreamworks titles are HD-DVD only for the next year and a half or so still