I've just read the 'Hypothermia...First Hand' article and I think it really demonstrates how easy it is to end up in that situation. Being personal accounts they hit home a bit more than the chain of disaster scenario. I'd like to think that those accounts along with Ben's on his blog are the kind of thing that will come to the forefront of my mind when I'm in a similar situation and thinking 'should I put my gloves and waterproof on now or should I press on until the next climb and see if I warm up?'
A very worthwhile article.