A helpful blogpost, I just given this onto a colleague who was doing a little analysis on this. And he in fact bought me breakfast because I discovered it for him... :).. So let me rephrase that: Thankx for the treat! But yeah Thanks for taking the time to discuss this, I feel strongly about it and enjoy learning more on this topic. If possible, as you gain expertise, would you mind updating your blog with more information? It is extremely helpful for me. Big thumb up for this blog!