I'm going to bed. Thanks for the impressive thread-bumping, concern, sleuthing and sanity.
Leave it to helpful FReepers to help me dig for facts and SO QUICKLY track down thefactor. Let's continue to work on the other two, please.
Jim,
In case you're checking this in the morning, the mystery has been solved. It seems the nightmare I was having was not a "ghost in the rafters" after all, but just a "bluebird in the attic."