it's only like 5200.
5200 British posts = 8 146.32 U.S. posts
Estimate the amount of time it takes to fit all that grumpiness into one post: X minutestime is money, so X units in whatever currency he uses.Take the equivalent number of USD's and multiply his number of posts by that number.Simple!
Don't forget to include the VAT factor
Americans don't have to pay VAT....