I will be interested to see what others say. I agree with Thistle that I haven't seen as much of it around. I like the look a lot, so I'm hoping it is a look with legs, but I'm not sure.
Have you owned a pair, shedev? I understand that the other side of the longevity issue is the longevity of the finish. From what I've heard, it appears to be fairly delicate. Don't wash. Don't dry clean. Store in the freezer. I wonder what the experience of folks around the forum has been.