I am using ReSharper 4.5, and what often happens when I am converting explicit properties into auto-properties, is that I will accidentally chose \"Add XX to abbreviations list\
In Resharper 6, it's almost the same as 5...
ReSharper/Options/Languages/Naming Style/Advanced Settings...
Then the box at the bottom is called "Abbreviations as plain text (UPPER CASE only):"