Humbrol weathering powders

I am looking forward to the day one LHS  that carries Humbrol products gets those powders so that I can try them out. Yes, in all likelihood the emphasis on Humbrol products is a sales pitch by them to use their stuff. Although I am a huge fan of their products, I would not recommend going out and buying up their stuff to use if you already have a favorite product of that particular type on hand.