is quite a few doing some awesome stuff, dunno if you have used the "matlib" ? I have it set up on an older blender (for BI ) but its got a few cycles mats too now (60+) so will be looking more at that tomorrow ;-) only 9pm here but just had me painkillers so brain will be mush in half hour, opps forgot link

http://blenderartists.org/forum/showthread.php?252957-Cycles_Matlib-Beta-Release!-Help-Wanted!&p=2124537&viewfull=1#post2124537

if nowt else it should give us a way to save the better experiments lol

have fun ................. but get some sleep!!!! its good for the brain