I can report some progress on the site that was hit. We have come back to the 1st position of a good term. Slight increase in traffic with more and more terms moving in a positive direction.
I am seeing Bing results much better than before and more traffic coming from B/Y search. I know it has only been a week since I completed the rebuild of the site, but a term we had for years was lost and the good news is we have it back. This is a positive sign.