I am talking this maybe since vm 2.0.1 ...
last report was where with 2.0.6/2.0.7: http://forum.virtuemart.net/index.php?topic=99052.msg339019#msg339019
now i did a video (vm2.0.7) to show you whats happen and no one can see or understand... :-\
link: http://www.youtube.com/watch?v=UJHbwfxBXM4
(duration time: just 1:57)