LOL Sam! The only reason I "waste numbers" is 'cos I work on scenes piecemeal. I start a new scene, create a texture for a prop or whatnot, then save the mat in the library. I do this so as to speed up render time when I'm faffing about experimenting. Then I open the scene I'm trying to create, import the prop and apply the material. Used to be that I'd spend AGES wondering why the displacement didn't work in the proper scene, when it worked OK when I was developing it, only to (finally!) remember that I'd used a different max during the developement. So now I use bigger numbers to leave headroom..:-)) Cheers, Diolma