For what it's worth I was able to update the last few pieces of xfce4 4.6 that are still in process by installing all the build dependencies and building the blocked packages from the sources, which are currently in unstable. Each one (I think there were three at the time) only took a few minutes.
-- -| Bob Hauck -| http://www.haucks.org/ -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org