Peederj Meow!!!
Hi Brett, welcome to the site.
I found this site related to the rx100 http://www.seriouscompacts.com/f105/
My advice would be to play around with the camera as much as possible.
Practice and make mistakes and learn from them.
Regards,
Matt
Not enough time with the focus ring yet but seemed fine. It has no hard stops though.
Can't compare the new Leica M glass as they don't go on a Canon mount!
it was one of my ex nasa lens i had 5 or 6 isco 54s 4 of them where from white sands missile test range in new mexico.
the lens i sold ages ago was very sharp mint condition lens all gone now but here is a foto
http://www.flickr.com/photos/34211301@N00/5096919478/