> i think you should unblock the desktop before moving plasmoids.. does it
> work? i personally didn't try it, but i heard by some users that this
> feature is already working

Also unblocking the desktop didn't give me the possibility to move the widgets
on the panel. Here is the KDE Bugreport with the info that it should be in SVN
since 3 days ;-):

http://bugs.kde.org/show_bug.cgi?id=154119

And there is also a nice screencast:

http://blog.lydiapintscher.de/2008/07/05/move-your-applets-freely/

Cheers,
Michael