Just in case anyone is reading this thread at a later date, I found a program that looks very promising for locating, moving or deleting the remaining duplicates after you finish processing with Similarity.
The program is DuplicateCleaner 2.0.4 from DigitalVolcano
and the dowload link I used is
http://www.digitalvolcano.co.uk/content/duplicate-cleaner/downloaddcmenuCheers