This has to be one of the most comprehensive programs I've ever laid eyes on. It's pretty much an entire entertainment solution ranging from gaming to a home entertainment centre. It features multiple emulators for gaming fans, music playlists, a fully functional Jukebox, Picture and Slide show viewer, Ebook and Comic Book reader, CD Player and CD Ripper with Automatic lookup of CD information and even a News Reader.
In addition, GameEx features a DVD Player with support for FFDSHOW which can also be controlled with a Gamepad, The Video module can also play DVR-MS using FFDSHOW (on Windows XP). Registered users can also use GameExtender which is like a networked LCD display for GameEx but for a real PC Display or TV, it can also be viewed through a web browser according to the developers.
For anyone that wants an all-in-one package, GameEx is certainly impressive although it packs a bit too much into one entertainment centre for my liking.