It gets you another 2 gig of space, of course. This is the little secret of drive manufacturers. For the chip guys, it's the magic smoke. For the drive guys, they have the fabulous increases in capacity by copying files of negative size. They just want us to think it's a lot of hard work devising new ways of packing magnetic domains tighter. (Just in case the tounge-in-cheek nature fails to get throught: :-) BLS