Thanks, I have taken a closer look at File Export.
1. Export flattens all Developer module changes into the jpeg. Great.
2. I can export all of a file's metadata into the jpeg. Great.
3.I can export metadata in the Lightroom's hierarchy format. Great.
But what does PSE do with the hierarchy? Will it reconstruct the keyword hierarchy it the PSE catalog on import?
4. I can export the files into the same directories, thereby maintaining my rather extensive directory structure. Great.
5. I can rename the exported file such that the exported files have the same filename plus a sequence number. Great.
But how can I then tell apart the original pictures from the LR developed pictures.
Do I need to create virtual copies of the developed pictures?
If so, how do I find the pictures that have been developed? Is there a filter that will do this?