I found this link on another site and the figure just gob smacked me
I have added the counter on my left hand sidebar between the blogexplosion links and sitemeter
At the time of writing the cost is running at over $249 bn. It is worth noting that this is only the cost to the US taxpayers. Further amounts would need to be added to this total for other members of the coalition.
Does anyone know what the comparable UK figures might be?