donno if this was posted earlier or u might've found this link in another forum...but anyway...since i know many of you use vray
here's a link to a very fresh but fast growing vray-community
http://www.vray-materials.de
if u need mats, download, if you make them, contribute
my first contribution is this kiwi-fruit-mat and there are a lot more...great chance to learn by examine others mats
hope u'll have fun
greetz