HD-DVD and Blu-Ray will both, at some level, take advantage of "Mandatory Managed Copy" technologies, which require that the new discs be capable of letting movie publishers decide whether consumers can share disc content in some way.
On mandatory sentencing, I live in Western Australia where we were so fed up with the level of crime and the pathetic sentences handed out that a regulation requiring a prison sentence for a third instance of breaking and entering was forced on parliament.