Adam mentioned possible dodgy electricity. To digress slightly, when I get dodgy milk from, eg Sainsburys, I can always change to Tesco or Safeway or Asda. Pity that changing electricity suppliers will not have the same effect :-) Tim -- Gllug mailing list - Gllug at gllug.org.uk http://lists.gllug.org.uk/mailman/listinfo/gllug