Thanks for the info Bill and Phil :) It ties in with what I thought, so I'll go back to evaluating the original idea of a wooden case as Phil suggests (I thought the plastic might be easier, but withthe grounding perhaps not). Cheers, Paul Bill: Several things come to mind. Most plastics will readily acquire static charges, so I think that bare plastic is probably a bad idea. If you really want to use the tub, I might suggest a shielding layer like metal foil spray-mounted to the inside of the tub. This shield should be made common to the ground side of the supply (and motherboard as well, if possible). This also will help with RFI issues, which could show up at any point. --__--__-- Phil: Oh, and I thought you were talking about some kind of nice hardwood thing. If a plastic storage tub blends into the decor of your living room, are you sure it's worth the trouble? :)