just as Prof.fate said you will have a bunch of stuff that no good, but then you get THE one and it,s all worth while,a thing poped into my mind along the same lines, at the start of this year, a guy visited me to talk about some wheels for the cars, at the side of the workbench was a supermarket bag, 3/4 full of resin shells, he wanted to take a few but i said no, as they where all scrap. remember you only get to see the good un,s, most people have a Tesco,s bag!!!! mac p