@Jason Carr, Excellent!! I have just re-imported my Atari 2600 games which I had previously deleted because that section was a mess, so many duplicates. It is now a lot cleaner with abut 450 games instead of about 2000. However I do have a few duplicate still and I'm not sure why, see attached screenshot. You'll notice I have Pitfall 2 twice even though the name is identical, it's not the only one though any ideas?
Thanks for a great update as usual though.