Previously available in Windows XP only as an OEM release, Media Center features are now found in Vista Home Premium and Ultimate editions. For a more detailed look at Media Center, see "Vista Media Center: Ready for the Living Room?"
Power users will still scream, but UAC has been greatly toned down since early beta versions. After the flurry of activity that comes with setting up anew computer and installing devices and software, most people will rarely see a UAC prompt. For a closer look at UAC, see Vista Mythbusters #6: Is Vista really more secure?" and its accompanying Image Gallery.