http://lists.freedesktop.org/archives/systemd-devel/2013-February/009021.html
Features:
+
+* when prompting for a hdd password show GUID partition label
+
* teach udev + logind's uaccess to somehow handle the "dead" device nodes from:
/lib/modules/$(uname -r)/modules.devname
and apply ACLs to them if they have TAG=="uaccess" in udev rules.