In VS2008, Options, Environment, Fonts and Colors, Text Editor, there is an item in the Display Items list for "ReSharper Extension Method Identifier". I've tried setting this to an obvious color like Magenta and I expected to see any extension methods used in code as highlighted in that color.
In both C# and VB with R#4 RTM I cannot get calls to extension methods to show differently. Am I doing something wrong? Is the item in Fonts and Colors there to do something else entirely?