Most gamers looked at Nintendo's Revolution controller announcement with a bewildered look and a hint of suspicion, especially when its use in FPS games was mentioned.
Arena51.be, a website that comes in French and Dutch flavors, has posted a video on the video.google site of how Nintendo's controller will work with a game such as Half-Life 2.
The demonstration is rather impressive and by a quick look at it you can see how using the controller may have a steep learning curve while it looks as if it will give you more freedom of movement. It is, of course, too early to speculate on the comfort levels for long gaming sessions or how reliable this demonstration is but the answers to all those questions will have to wait until E3, 2006 when we will get to try one of those things.
For the time being have a look at the demonstration video.