So who's actually taken a tumble in London then?

I kind feel tempted to get some of the new D3o body armour from work, works better than the plastic stuff without making you look like a complete muppet as it can be worn under a long sleeve t without being seen. except the fact it costs £199

http://www.velouk.com/proddetail.asp?prod=64987

saw your post while listening to radio lab podcast, the combination has made me really really really want that.