Just curious about whether we will need to upgrade every machine: it's obvious that VV4 can read a VV3 veg file, but is there any way to bring a VV4 veg file back into VV3? Nothing I've tried this evening seems to do it. If so, I wonder how hard it would be for one of the software wizards on this board to write a simple converter. To my unskilled mind it would be a simple (Ha!) matter of dropping the extra metafile information that accompanies the information common to both versions.