@John VV is right - so I finally took his advice.
I have a separate /home partition, so the (clean) reinstall using my old userid was simple enough (not as intuative as say Ubuntu, but workable), and nice and quick.
Do it - maybe. Looks like PackageKit could do with some polishing.
Last edited by syg00; 12-30-2013 at 06:54 AM.
Reason: The strike-out plsu PackageKit comment