So, thanks to Rob, I'm more-or-less set now.
Since starting to use LR and scanning my film, I have been adding the exif data in customized spaces. Today, I just found out how to make it pay off!
Here's the copy of the thread I just posted over on the rangefinder forum, as there are a few people there that will be interested!
http://www.rangefinderforum.com/forums/showthread.php?threadid=127722There's a donation coming your way Rob!
Cheers to all, John