After the digital revolution of the world of media, with its digital memories like DVDs, large hard disk drives, flash memories, and adherent new formats (mpeg, mp3, divx) the doors are open to home entertainment.
HDTV sets and HD recorders are almost standard by now. iPod and other media players supersede the old hi-fi systems.
Hence "Media-Center" are becoming more important as central devices for management and playback of our media data and due to their low price they are also becoming more popular.
There are already many different concepts, devices, and systems in the market.