forget member of the month - I hereby nominate @RichJB as member of the year.Erm, you do know you're wasted here don't you. Add a pie chart, a graph or two and a bit of female vaper cleavage, you'd have a great article for general MSM release....
Thanks for your insightful and erudite reply.
You know when you see he has posted, you will get solid maths and well reasoned opinion.