Apple said last week that it expected its new Apple TV to cross the one million mark in sales before Christmas, and it's now quietly confirmed that it's managed to do just that. For those keeping score, that means it's sold a million in three months, which is certainly impressive for something Apple still describes as a "hobby," although that description does have the peculiar tendency to lower expectations somewhat. As you may recall, Roku also announced last week that it expected to sell a million units before the end of the year, and