I use, and love, the Lutz Konerman "Sling" with my D2. As safe as a wrist strap, but far more relaxed in use, and less prone to get snagged when you put the camera away somewhere.
You can see it in my avatar to the left (where I don´t have my fingers tucked into it); it must be the world´s shortest camera strap....
My only problem is, my Nikon D200 is just too heavy to carry that way. Another reason to use a Leica
