Stoneware coffee cups - supplemented with a pint or two of your favorite microbrew. As Slipknot1 said - plastics are bad. You want something that doesn't generate static electricity easily and is non-conductive.
Relax, have a New Glarus Fat Squirrel and listen to some Grateful Dead.........
Relax, have a New Glarus Fat Squirrel and listen to some Grateful Dead.........